SII S-1701B3327

Rev.2.4_00
HIGH RIPPLE-REJECTION LOW DROPOUT
CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
S-1701 Series
The S-1701 Series, developed based on CMOS technology, is a
voltage regulator with a reset function and integrates a highaccuracy voltage detector with on-chip delay circuit and a positive
voltage regulator with a low dropout voltage and high output voltage
on one chip.
The S-1701 Series is available in many types according to the
selection of the voltage detector block of the voltage detector,
including a SENSE pin input product. A built-in low on-resistance
transistor provides a low dropout voltage and large output current.
Small ceramic capacitors are available and an external capacitor for
delay is needless. Small SOT-23-5 and SOT-89-5 packages realize
high-density mounting.
Features
Regulator block
• Output voltage:
• High-accuracy output voltage:
• High peak current capability:
• Built-in ON/OFF circuit:
1.5 to 5.0 V, selectable in 0.1 V steps.
±1.0%
400 mA output is possible (at VIN ≥ VOUT(S) + 2.0 V)*1
Ensures long battery life.
During power-off: 0.1 µA typ., 1.0 µA max.
• Low ESR capacitor can be used: A ceramic capacitor of 1.0 µF or more can be used for the output
capacitor.
70 dB typ. (at 1.0 kHz)
• High ripple rejection:
Overcurrent of output transistor can be restricted.
• Built-in overcurrent protector:
2.0 to 6.5 V
• Operating voltage range:
Detector block
1.5 to 5.5 V, selectable in 0.1 V steps.
• Output voltage:
• High-accuracy output voltage:
±1.0%
Nch open-drain active low output
• Output mode:
• No need of an external capacitor for delay
• Three delay time settings:
No delay (60 µs), 50 ms, 100 ms
0.8 to 6.5 V
• Operating voltage range:
Whole regulator
• Low current consumption
During operation: 85 µA typ.
SOT-23-5, SOT-89-5
• Small package:
• Lead-free products
*1. Attention should be paid to the power dissipation of the package when the output current is large.
Applications
• Power supply and reset circuit for battery-powered devices
• Power supply for personal communication devices
• Power supply for home appliances
Packages
Package Name
SOT-23-5
SOT-89-5
Package
MP005-A
UP005-A
Drawing Code
Tape
MP005-A
UP005-A
Seiko Instruments Inc.
Reel
MP005-A
UP005-A
1
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Block Diagrams
1. S-1701 Series A/ B/ C/ G/ H/ J types
*1
ON/OFF
VOUT
ON/OFF pin :
SENSE pin :
Provided
VIN connection
ON/OFF pin :
SENSE pin :
Provided
VOUT connection
Overcurrent
protector circuit
+
−
ON/OFF
circuit
Reference
voltage circuit
VIN
VSS
+
−
VDOUT
Reference
voltage circuit
*1.
Oscillating
counter timer
(Delay circuit)
*1
Parasitic diode
Figure 1
2. S-1701 Series D/ E/ F/ K/ L/ M types
*1
ON/OFF
VOUT
Overcurrent
protector circuit
+
−
ON/OFF
circuit
Reference
voltage circuit
VIN
VSS
+
−
VDOUT
Reference
voltage circuit
*1.
Oscillating
counter timer
(Delay circuit)
*1
Parasitic diode
Figure 2
2
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. S-1701 Series N/ P/ Q types
*1
SENSE
VOUT
ON/OFF pin :
SENSE pin :
VIN connection
Provided
ON/OFF pin :
SENSE pin :
VDOUT connection
Provided
Overcurrent
protector circuit
+
−
ON/OFF
circuit
Reference
voltage circuit
VIN
VSS
+
−
VDOUT
Reference
voltage circuit
*1.
Oscillating
counter timer
(Delay circuit)
*1
Parasitic diode
Figure 3
4. S-1701 Series R/ S/ T types
*1
SENSE
VOUT
Overcurrent
protector circuit
+
−
ON/OFF
circuit
Reference
voltage circuit
VIN
VSS
+
−
VDOUT
Reference
voltage circuit
*1.
Oscillating
counter timer
(Delay circuit)
*1
Parasitic diode
Figure 4
Seiko Instruments Inc.
3
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
5. S-1701 Series U/ V/ W types
*1
VOUT
ON/OFF pin :
SENSE pin :
VIN connection
VOUT connection
ON/OFF pin :
SENSE pin :
VIN connection
VIN connection
Overcurrent
protector circuit
+
−
ON/OFF
circuit
Reference
voltage circuit
VIN
VSS
+
−
VDOUT
Reference
voltage circuit
*1.
Oscillating
counter timer
(Delay circuit)
*1
Parasitic diode
Figure 5
6. S-1701 Series X/ Y/ Z types
*1
VOUT
Overcurrent
protector circuit
+
−
ON/OFF
circuit
Reference
voltage circuit
VIN
VSS
+
−
VDOUT
Reference
voltage circuit
*1.
Oscillating
counter timer
(Delay circuit)
*1
Parasitic diode
Figure 6
4
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Product Name Structure
• The product types, output voltage, detection voltage, and package types for the S-1701 Series can be
selected at the user’s request. Refer to the “1. Product name” for the meanings of the characters in the
product name, “2. Function list according to product type” for product types, and “3. Product name
list” for the full product names.
1. Product name
S-1701
x
xx
xx
-
xxxx
G
Package abbreviation and IC packing
specifications*1
M5T1: SOT-23-5, tape product
U5T1: SOT-89-5, tape product
Detection voltage*2
15 to 55
(e.g., when the output voltage is 1.5 V,
it is expressed as 15.)
Output voltage
15 to 50
(e.g., when the output voltage is 1.5 V,
it is expressed as 15.)
Product type*3
A to Z (I and O are not provided)
*1. Refer to the taping specifications at the end of this book.
*2. In the S-1701D to S-1701F, S-1701K to S-1701M, and S-1701U to S-1701W types (that detect
output voltage), a reset signal may be output due to the undershoot of the output voltage when the
input voltage or load current changes transiently. Therefore, set the detection voltage after
sufficient evaluation using actual devices.
*3. Refer to the “2. Function list according to product type”.
Seiko Instruments Inc.
5
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
2. Function list according to product type
Table 1
Product
Type
ON/OFF Pin
ON/OFF Logic
A
Provided
Active high
B
Provided
Active high
C
Provided
Active high
D
Provided
Active high
E
Provided
Active high
F
Provided
Active high
G
Provided
Active low
H
Provided
Active low
J
Provided
Active low
K
Provided
Active low
L
Provided
Active low
M
Provided
Active low
N
P
Q
R
S
T
U
V
W
X
Y
Z
6
Regulator Block
VIN connection
(pin not provided)
VIN connection
(pin not provided)
VIN connection
(pin not provided)
VDOUT connection
(pin not provided)
VDOUT connection
(pin not provided)
VDOUT connection
(pin not provided)
VIN connection
(pin not provided)
VIN connection
(pin not provided)
VIN connection
(pin not provided)
VIN connection
(pin not provided)
VIN connection
(pin not provided)
VIN connection
(pin not provided)
Detector Block
Release Delay
SENSE Pin
Time
VIN connection
No delay (60 µs)
(pin not provided)
VIN connection
50 ms
(pin not provided)
VIN connection
100 ms
(pin not provided)
VOUT connection
No delay (60 µs)
(pin not provided)
VOUT connection
50 ms
(pin not provided)
VOUT connection
100 ms
(pin not provided)
VIN connection
No delay (60 µs)
(pin not provided)
VIN connection
50 ms
(pin not provided)
VIN connection
100 ms
(pin not provided)
VOUT connection
No delay (60 µs)
(pin not provided)
VOUT connection
50 ms
(pin not provided)
VOUT connection
100 ms
(pin not provided)
None
Provided
No delay (60 µs)
None
Provided
50 ms
None
Provided
100 ms
None
Provided
No delay (60 µs)
None
Provided
50 ms
None
Provided
100 ms
None
None
None
None
None
None
VOUT connection
(pin not provided)
VOUT connection
(pin not provided)
VOUT connection
(pin not provided)
VIN connection
(pin not provided)
VIN connection
(pin not provided)
VIN connection
(pin not provided)
Seiko Instruments Inc.
No delay (60 µs)
50 ms
100 ms
No delay (60 µs)
50 ms
100 ms
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. Product name list
3. 1 S-1701 Series A type
ON/OFF pin : Provided
SENSE pin : VIN connection
ON/OFF logic
: Active high
Release delay time : No delay (60 µs)
Table 2
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701A1815-M5T1G
S-1701A1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701A2520-M5T1G
S-1701A2520-U5T1G
2.5 V ± 1.0%
2.0 V ± 1.0%
S-1701A2521-M5T1G
S-1701A2521-U5T1G
2.5 V ± 1.0%
2.1 V ± 1.0%
S-1701A2522-M5T1G
S-1701A2522-U5T1G
2.5 V ± 1.0%
2.2 V ± 1.0%
S-1701A2728-M5T1G
2.7 V ± 1.0%
2.8 V ± 1.0%
−
S-1701A2825-M5T1G
2.8 V ± 1.0%
2.5 V ± 1.0%
−
S-1701A3024-M5T1G
S-1701A3024-U5T1G
3.0 V ± 1.0%
2.4 V ± 1.0%
S-1701A3025-M5T1G
S-1701A3025-U5T1G
3.0 V ± 1.0%
2.5 V ± 1.0%
S-1701A3026-M5T1G
S-1701A3026-U5T1G
3.0 V ± 1.0%
2.6 V ± 1.0%
S-1701A3326-M5T1G
S-1701A3326-U5T1G
3.3 V ± 1.0%
2.6 V ± 1.0%
S-1701A3327-M5T1G
S-1701A3327-U5T1G
3.3 V ± 1.0%
2.7 V ± 1.0%
S-1701A3328-M5T1G
S-1701A3328-U5T1G
3.3 V ± 1.0%
2.8 V ± 1.0%
S-1701A3330-M5T1G
3.3 V ± 1.0%
3.0 V ± 1.0%
−
S-1701A3331-M5T1G
3.3 V ± 1.0%
3.1 V ± 1.0%
−
S-1701A3430-M5T1G
S-1701A3430-U5T1G
3.4 V ± 1.0%
3.0 V ± 1.0%
S-1701A5040-M5T1G
S-1701A5040-U5T1G
5.0 V ± 1.0%
4.0 V ± 1.0%
S-1701A5041-M5T1G
S-1701A5041-U5T1G
5.0 V ± 1.0%
4.1 V ± 1.0%
S-1701A5042-M5T1G
S-1701A5042-U5T1G
5.0 V ± 1.0%
4.2 V ± 1.0%
S-1701A5043-M5T1G
S-1701A5043-U5T1G
5.0 V ± 1.0%
4.3 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
Seiko Instruments Inc.
7
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. 2 S-1701 Series B type
ON/OFF pin : Provided
SENSE pin : VIN connection
ON/OFF logic
: Active high
Release delay time : 50 ms
Table 3
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701B1815-M5T1G
S-1701B1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701B2520-M5T1G
S-1701B2520-U5T1G
2.5 V ± 1.0%
2.0 V ± 1.0%
S-1701B2521-M5T1G
S-1701B2521-U5T1G
2.5 V ± 1.0%
2.1 V ± 1.0%
S-1701B2522-M5T1G
S-1701B2522-U5T1G
2.5 V ± 1.0%
2.2 V ± 1.0%
S-1701B3024-M5T1G
S-1701B3024-U5T1G
3.0 V ± 1.0%
2.4 V ± 1.0%
S-1701B3025-M5T1G
S-1701B3025-U5T1G
3.0 V ± 1.0%
2.5 V ± 1.0%
S-1701B3026-M5T1G
S-1701B3026-U5T1G
3.0 V ± 1.0%
2.6 V ± 1.0%
S-1701B3326-M5T1G
S-1701B3326-U5T1G
3.3 V ± 1.0%
2.6 V ± 1.0%
S-1701B3327-M5T1G
S-1701B3327-U5T1G
3.3 V ± 1.0%
2.7 V ± 1.0%
S-1701B3328-M5T1G
S-1701B3328-U5T1G
3.3 V ± 1.0%
2.8 V ± 1.0%
S-1701B3342-U5T1G
3.3 V ± 1.0%
4.2 V ± 1.0%
−
S-1701B3430-M5T1G
S-1701B3430-U5T1G
3.4 V ± 1.0%
3.0 V ± 1.0%
S-1701B5040-M5T1G
S-1701B5040-U5T1G
5.0 V ± 1.0%
4.0 V ± 1.0%
S-1701B5041-M5T1G
S-1701B5041-U5T1G
5.0 V ± 1.0%
4.1 V ± 1.0%
S-1701B5042-M5T1G
S-1701B5042-U5T1G
5.0 V ± 1.0%
4.2 V ± 1.0%
S-1701B5043-M5T1G
S-1701B5043-U5T1G
5.0 V ± 1.0%
4.3 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
3. 3 S-1701 Series C type
ON/OFF pin : Provided
SENSE pin : VIN connection
ON/OFF logic
: Active high
Release delay time : 100 ms
Table 4
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701C1815-M5T1G
S-1701C1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701C2520-M5T1G
S-1701C2520-U5T1G
2.5 V ± 1.0%
2.0 V ± 1.0%
S-1701C2521-M5T1G
S-1701C2521-U5T1G
2.5 V ± 1.0%
2.1 V ± 1.0%
S-1701C2522-M5T1G
S-1701C2522-U5T1G
2.5 V ± 1.0%
2.2 V ± 1.0%
S-1701C3024-M5T1G
S-1701C3024-U5T1G
3.0 V ± 1.0%
2.4 V ± 1.0%
S-1701C3025-M5T1G
S-1701C3025-U5T1G
3.0 V ± 1.0%
2.5 V ± 1.0%
S-1701C3026-M5T1G
S-1701C3026-U5T1G
3.0 V ± 1.0%
2.6 V ± 1.0%
S-1701C3326-M5T1G
S-1701C3326-U5T1G
3.3 V ± 1.0%
2.6 V ± 1.0%
S-1701C3327-M5T1G
S-1701C3327-U5T1G
3.3 V ± 1.0%
2.7 V ± 1.0%
S-1701C3328-M5T1G
S-1701C3328-U5T1G
3.3 V ± 1.0%
2.8 V ± 1.0%
S-1701C3430-M5T1G
S-1701C3430-U5T1G
3.4 V ± 1.0%
3.0 V ± 1.0%
S-1701C5040-M5T1G
S-1701C5040-U5T1G
5.0 V ± 1.0%
4.0 V ± 1.0%
S-1701C5041-M5T1G
S-1701C5041-U5T1G
5.0 V ± 1.0%
4.1 V ± 1.0%
S-1701C5042-M5T1G
S-1701C5042-U5T1G
5.0 V ± 1.0%
4.2 V ± 1.0%
S-1701C5043-M5T1G
S-1701C5043-U5T1G
5.0 V ± 1.0%
4.3 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
8
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. 4 S-1701 Series D type
ON/OFF pin : Provided
SENSE pin : VOUT connection
ON/OFF logic
: Active high
Release delay time : No delay (60 µs)
Table 5
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701D1815-M5T1G
S-1701D1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701D2520-M5T1G
S-1701D2520-U5T1G
2.5 V ± 1.0%
2.0 V ± 1.0%
S-1701D2521-M5T1G
S-1701D2521-U5T1G
2.5 V ± 1.0%
2.1 V ± 1.0%
S-1701D2522-M5T1G
S-1701D2522-U5T1G
2.5 V ± 1.0%
2.2 V ± 1.0%
S-1701D2523-M5T1G
2.5 V ± 1.0%
2.3 V ± 1.0%
−
S-1701D2524-M5T1G
2.5 V ± 1.0%
2.4 V ± 1.0%
−
S-1701D2526-M5T1G
2.5 V ± 1.0%
2.6 V ± 1.0%
−
S-1701D2722-M5T1G
2.7 V ± 1.0%
2.2 V ± 1.0%
−
S-1701D3024-M5T1G
S-1701D3024-U5T1G
3.0 V ± 1.0%
2.4 V ± 1.0%
S-1701D3025-M5T1G
S-1701D3025-U5T1G
3.0 V ± 1.0%
2.5 V ± 1.0%
S-1701D3026-M5T1G
S-1701D3026-U5T1G
3.0 V ± 1.0%
2.6 V ± 1.0%
S-1701D3326-M5T1G
S-1701D3326-U5T1G
3.3 V ± 1.0%
2.6 V ± 1.0%
S-1701D3327-M5T1G
S-1701D3327-U5T1G
3.3 V ± 1.0%
2.7 V ± 1.0%
S-1701D3328-M5T1G
S-1701D3328-U5T1G
3.3 V ± 1.0%
2.8 V ± 1.0%
S-1701D3330-M5T1G
3.3 V ± 1.0%
3.0 V ± 1.0%
−
S-1701D3430-M5T1G
S-1701D3430-U5T1G
3.4 V ± 1.0%
3.0 V ± 1.0%
S-1701D5040-M5T1G
S-1701D5040-U5T1G
5.0 V ± 1.0%
4.0 V ± 1.0%
S-1701D5041-M5T1G
S-1701D5041-U5T1G
5.0 V ± 1.0%
4.1 V ± 1.0%
S-1701D5042-M5T1G
S-1701D5042-U5T1G
5.0 V ± 1.0%
4.2 V ± 1.0%
S-1701D5043-M5T1G
S-1701D5043-U5T1G
5.0 V ± 1.0%
4.3 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
Seiko Instruments Inc.
9
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. 5 S-1701 Series E type
ON/OFF pin : Provided
SENSE pin : VOUT connection
ON/OFF logic
: Active high
Release delay time : 50 ms
Table 6
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701E1815-M5T1G
S-1701E1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701E2520-M5T1G
S-1701E2520-U5T1G
2.5 V ± 1.0%
2.0 V ± 1.0%
S-1701E2521-M5T1G
S-1701E2521-U5T1G
2.5 V ± 1.0%
2.1 V ± 1.0%
S-1701E2522-M5T1G
S-1701E2522-U5T1G
2.5 V ± 1.0%
2.2 V ± 1.0%
S-1701E2722-M5T1G
2.7 V ± 1.0%
2.2 V ± 1.0%
−
S-1701E3024-M5T1G
S-1701E3024-U5T1G
3.0 V ± 1.0%
2.4 V ± 1.0%
S-1701E3025-M5T1G
S-1701E3025-U5T1G
3.0 V ± 1.0%
2.5 V ± 1.0%
S-1701E3026-M5T1G
S-1701E3026-U5T1G
3.0 V ± 1.0%
2.6 V ± 1.0%
S-1701E3326-M5T1G
S-1701E3326-U5T1G
3.3 V ± 1.0%
2.6 V ± 1.0%
S-1701E3327-M5T1G
S-1701E3327-U5T1G
3.3 V ± 1.0%
2.7 V ± 1.0%
S-1701E3328-M5T1G
S-1701E3328-U5T1G
3.3 V ± 1.0%
2.8 V ± 1.0%
S-1701E3330-M5T1G
3.3 V ± 1.0%
3.0 V ± 1.0%
−
S-1701E3430-M5T1G
S-1701E3430-U5T1G
3.4 V ± 1.0%
3.0 V ± 1.0%
S-1701E5040-M5T1G
S-1701E5040-U5T1G
5.0 V ± 1.0%
4.0 V ± 1.0%
S-1701E5041-M5T1G
S-1701E5041-U5T1G
5.0 V ± 1.0%
4.1 V ± 1.0%
S-1701E5042-M5T1G
S-1701E5042-U5T1G
5.0 V ± 1.0%
4.2 V ± 1.0%
S-1701E5043-M5T1G
S-1701E5043-U5T1G
5.0 V ± 1.0%
4.3 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
3. 6 S-1701 Series F type
ON/OFF pin : Provided
SENSE pin : VOUT connection
ON/OFF logic
: Active high
Release delay time : 100 ms
Table 7
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701F1815-M5T1G
S-1701F1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701F2520-M5T1G
S-1701F2520-U5T1G
2.5 V ± 1.0%
2.0 V ± 1.0%
S-1701F2521-M5T1G
S-1701F2521-U5T1G
2.5 V ± 1.0%
2.1 V ± 1.0%
S-1701F2522-M5T1G
S-1701F2522-U5T1G
2.5 V ± 1.0%
2.2 V ± 1.0%
S-1701F2722-M5T1G
2.7 V ± 1.0%
2.2 V ± 1.0%
−
S-1701F3024-M5T1G
S-1701F3024-U5T1G
3.0 V ± 1.0%
2.4 V ± 1.0%
S-1701F3025-M5T1G
S-1701F3025-U5T1G
3.0 V ± 1.0%
2.5 V ± 1.0%
S-1701F3026-M5T1G
S-1701F3026-U5T1G
3.0 V ± 1.0%
2.6 V ± 1.0%
S-1701F3326-M5T1G
S-1701F3326-U5T1G
3.3 V ± 1.0%
2.6 V ± 1.0%
S-1701F3327-M5T1G
S-1701F3327-U5T1G
3.3 V ± 1.0%
2.7 V ± 1.0%
S-1701F3328-M5T1G
S-1701F3328-U5T1G
3.3 V ± 1.0%
2.8 V ± 1.0%
S-1701F3430-M5T1G
S-1701F3430-U5T1G
3.4 V ± 1.0%
3.0 V ± 1.0%
S-1701F5040-M5T1G
S-1701F5040-U5T1G
5.0 V ± 1.0%
4.0 V ± 1.0%
S-1701F5041-M5T1G
S-1701F5041-U5T1G
5.0 V ± 1.0%
4.1 V ± 1.0%
S-1701F5042-M5T1G
S-1701F5042-U5T1G
5.0 V ± 1.0%
4.2 V ± 1.0%
S-1701F5043-M5T1G
S-1701F5043-U5T1G
5.0 V ± 1.0%
4.3 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
10
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. 7 S-1701 Series G type
ON/OFF pin : Provided
SENSE pin : VIN connection
ON/OFF logic
: Active low
Release delay time : No delay (60 µs)
Table 8
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701G2524-M5T1G
2.5 V ± 1.0%
2.4 V ± 1.0%
−
S-1701G3331-M5T1G
3.3 V ± 1.0%
3.1 V ± 1.0%
−
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
3. 8 S-1701 Series H type
ON/OFF pin : Provided
SENSE pin : VIN connection
ON/OFF logic
: Active low
Release delay time : 50 ms
Table 9
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701H5045-U5T1G
5.0 V ± 1.0%
4.5 V ± 1.0%
−
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
3. 9 S-1701 Series N type
ON/OFF pin : VIN connection
SENSE pin : Provided
ON/OFF logic
: None
Release delay time : No delay (60 µs)
Table 10
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701N1515-M5T1G
S-1701N1515-U5T1G
1.5 V ± 1.0%
1.5 V ± 1.0%
S-1701N1815-M5T1G
S-1701N1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701N1827-M5T1G
1.8 V ± 1.0%
2.7 V ± 1.0%
−
S-1701N2515-M5T1G
S-1701N2515-U5T1G
2.5 V ± 1.0%
1.5 V ± 1.0%
S-1701N2715-M5T1G
S-1701N2715-U5T1G
2.7 V ± 1.0%
1.5 V ± 1.0%
S-1701N3015-M5T1G
S-1701N3015-U5T1G
3.0 V ± 1.0%
1.5 V ± 1.0%
S-1701N3315-M5T1G
S-1701N3315-U5T1G
3.3 V ± 1.0%
1.5 V ± 1.0%
S-1701N5015-M5T1G
S-1701N5015-U5T1G
5.0 V ± 1.0%
1.5 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
Seiko Instruments Inc.
11
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. 10 S-1701 Series P type
ON/OFF pin : VIN connection
SENSE pin : Provided
ON/OFF logic
: None
Release delay time : 50 ms
Table 11
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701P1515-M5T1G
S-1701P1515-U5T1G
1.5 V ± 1.0%
1.5 V ± 1.0%
S-1701P1815-M5T1G
S-1701P1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701P2515-M5T1G
S-1701P2515-U5T1G
2.5 V ± 1.0%
1.5 V ± 1.0%
S-1701P2715-M5T1G
S-1701P2715-U5T1G
2.7 V ± 1.0%
1.5 V ± 1.0%
S-1701P3015-M5T1G
S-1701P3015-U5T1G
3.0 V ± 1.0%
1.5 V ± 1.0%
S-1701P3315-M5T1G
S-1701P3315-U5T1G
3.3 V ± 1.0%
1.5 V ± 1.0%
S-1701P5015-M5T1G
S-1701P5015-U5T1G
5.0 V ± 1.0%
1.5 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
3. 11 S-1701 Series Q type
ON/OFF pin : VIN connection
SENSE pin : Provided
ON/OFF logic
: None
Release delay time : 100 ms
Table 12
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701Q1515-M5T1G
S-1701Q1515-U5T1G
1.5 V ± 1.0%
1.5 V ± 1.0%
S-1701Q1815-M5T1G
S-1701Q1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701Q2515-M5T1G
S-1701Q2515-U5T1G
2.5 V ± 1.0%
1.5 V ± 1.0%
S-1701Q2715-M5T1G
S-1701Q2715-U5T1G
2.7 V ± 1.0%
1.5 V ± 1.0%
S-1701Q3015-M5T1G
S-1701Q3015-U5T1G
3.0 V ± 1.0%
1.5 V ± 1.0%
S-1701Q3315-M5T1G
S-1701Q3315-U5T1G
3.3 V ± 1.0%
1.5 V ± 1.0%
S-1701Q5015-M5T1G
S-1701Q5015-U5T1G
5.0 V ± 1.0%
1.5 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
3. 12 S-1701 Series R type
ON/OFF pin : VDOUT connection
SENSE pin : Provided
ON/OFF logic
: None
Release delay time : No delay (60 µs)
Table 13
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701R1515-M5T1G
S-1701R1515-U5T1G
1.5 V ± 1.0%
1.5 V ± 1.0%
S-1701R1815-M5T1G
S-1701R1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701R2515-M5T1G
S-1701R2515-U5T1G
2.5 V ± 1.0%
1.5 V ± 1.0%
S-1701R2715-M5T1G
S-1701R2715-U5T1G
2.7 V ± 1.0%
1.5 V ± 1.0%
S-1701R3015-M5T1G
S-1701R3015-U5T1G
3.0 V ± 1.0%
1.5 V ± 1.0%
S-1701R3315-M5T1G
S-1701R3315-U5T1G
3.3 V ± 1.0%
1.5 V ± 1.0%
S-1701R5015-M5T1G
S-1701R5015-U5T1G
5.0 V ± 1.0%
1.5 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
12
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. 13 S-1701 Series S type
ON/OFF pin : VDOUT connection
SENSE pin : Provided
ON/OFF logic
: None
Release delay time : 50 ms
Table 14
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701S1515-M5T1G
S-1701S1515-U5T1G
1.5 V ± 1.0%
1.5 V ± 1.0%
S-1701S1815-M5T1G
S-1701S1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701S2515-M5T1G
S-1701S2515-U5T1G
2.5 V ± 1.0%
1.5 V ± 1.0%
S-1701S2715-M5T1G
S-1701S2715-U5T1G
2.7 V ± 1.0%
1.5 V ± 1.0%
S-1701S3015-M5T1G
S-1701S3015-U5T1G
3.0 V ± 1.0%
1.5 V ± 1.0%
S-1701S3315-M5T1G
S-1701S3315-U5T1G
3.3 V ± 1.0%
1.5 V ± 1.0%
S-1701S5015-M5T1G
S-1701S5015-U5T1G
5.0 V ± 1.0%
1.5 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
3. 14 S-1701 Series T type
ON/OFF pin : VDOUT connection
SENSE pin : Provided
ON/OFF logic
: None
Release delay time : 100 ms
Table 15
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701T1515-M5T1G
S-1701T1515-U5T1G
1.5 V ± 1.0%
1.5 V ± 1.0%
S-1701T1815-M5T1G
S-1701T1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701T2515-M5T1G
S-1701T2515-U5T1G
2.5 V ± 1.0%
1.5 V ± 1.0%
S-1701T2715-M5T1G
S-1701T2715-U5T1G
2.7 V ± 1.0%
1.5 V ± 1.0%
S-1701T3015-M5T1G
S-1701T3015-U5T1G
3.0 V ± 1.0%
1.5 V ± 1.0%
S-1701T3315-M5T1G
S-1701T3315-U5T1G
3.3 V ± 1.0%
1.5 V ± 1.0%
S-1701T3325-M5T1G
3.3 V ± 1.0%
2.5 V ± 1.0%
−
S-1701T5015-M5T1G
S-1701T5015-U5T1G
5.0 V ± 1.0%
1.5 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
Seiko Instruments Inc.
13
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. 15 S-1701 Series U type
ON/OFF pin : VIN connection
SENSE pin : VOUT connection
ON/OFF logic
: None
Release delay time : No delay (60 µs)
Table 16
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701U1815-M5T1G
S-1701U1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701U2520-M5T1G
S-1701U2520-U5T1G
2.5 V ± 1.0%
2.0 V ± 1.0%
S-1701U2521-M5T1G
S-1701U2521-U5T1G
2.5 V ± 1.0%
2.1 V ± 1.0%
S-1701U2522-M5T1G
S-1701U2522-U5T1G
2.5 V ± 1.0%
2.2 V ± 1.0%
S-1701U3024-M5T1G
S-1701U3024-U5T1G
3.0 V ± 1.0%
2.4 V ± 1.0%
S-1701U3025-M5T1G
S-1701U3025-U5T1G
3.0 V ± 1.0%
2.5 V ± 1.0%
S-1701U3026-M5T1G
S-1701U3026-U5T1G
3.0 V ± 1.0%
2.6 V ± 1.0%
S-1701U3326-M5T1G
S-1701U3326-U5T1G
3.3 V ± 1.0%
2.6 V ± 1.0%
S-1701U3327-M5T1G
S-1701U3327-U5T1G
3.3 V ± 1.0%
2.7 V ± 1.0%
S-1701U3328-M5T1G
S-1701U3328-U5T1G
3.3 V ± 1.0%
2.8 V ± 1.0%
S-1701U3430-M5T1G
S-1701U3430-U5T1G
3.4 V ± 1.0%
3.0 V ± 1.0%
S-1701U5040-M5T1G
S-1701U5040-U5T1G
5.0 V ± 1.0%
4.0 V ± 1.0%
S-1701U5041-M5T1G
S-1701U5041-U5T1G
5.0 V ± 1.0%
4.1 V ± 1.0%
S-1701U5042-M5T1G
S-1701U5042-U5T1G
5.0 V ± 1.0%
4.2 V ± 1.0%
S-1701U5043-M5T1G
S-1701U5043-U5T1G
5.0 V ± 1.0%
4.3 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
3. 16 S-1701 Series V type
ON/OFF pin : VIN connection
SENSE pin : VOUT connection
ON/OFF logic
: None
Release delay time : 50 ms
Table 17
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701V1815-M5T1G
S-1701V1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701V2520-M5T1G
S-1701V2520-U5T1G
2.5 V ± 1.0%
2.0 V ± 1.0%
S-1701V2521-M5T1G
S-1701V2521-U5T1G
2.5 V ± 1.0%
2.1 V ± 1.0%
S-1701V2522-M5T1G
S-1701V2522-U5T1G
2.5 V ± 1.0%
2.2 V ± 1.0%
S-1701V3024-M5T1G
S-1701V3024-U5T1G
3.0 V ± 1.0%
2.4 V ± 1.0%
S-1701V3025-M5T1G
S-1701V3025-U5T1G
3.0 V ± 1.0%
2.5 V ± 1.0%
S-1701V3026-M5T1G
S-1701V3026-U5T1G
3.0 V ± 1.0%
2.6 V ± 1.0%
S-1701V3326-M5T1G
S-1701V3326-U5T1G
3.3 V ± 1.0%
2.6 V ± 1.0%
S-1701V3327-M5T1G
S-1701V3327-U5T1G
3.3 V ± 1.0%
2.7 V ± 1.0%
S-1701V3328-M5T1G
S-1701V3328-U5T1G
3.3 V ± 1.0%
2.8 V ± 1.0%
S-1701V3430-M5T1G
S-1701V3430-U5T1G
3.4 V ± 1.0%
3.0 V ± 1.0%
S-1701V5040-M5T1G
S-1701V5040-U5T1G
5.0 V ± 1.0%
4.0 V ± 1.0%
S-1701V5041-M5T1G
S-1701V5041-U5T1G
5.0 V ± 1.0%
4.1 V ± 1.0%
S-1701V5042-M5T1G
S-1701V5042-U5T1G
5.0 V ± 1.0%
4.2 V ± 1.0%
S-1701V5043-M5T1G
S-1701V5043-U5T1G
5.0 V ± 1.0%
4.3 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
14
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. 17 S-1701 Series W type
ON/OFF pin : VIN connection
SENSE pin : VOUT connection
ON/OFF logic
: None
Release delay time : 100 ms
Table 18
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701W1815-M5T1G
S-1701W1815-U5T1G
1.8 V ± 1.0%
1.5 V ± 1.0%
S-1701W2520-M5T1G
S-1701W2520-U5T1G
2.5 V ± 1.0%
2.0 V ± 1.0%
S-1701W2521-M5T1G
S-1701W2521-U5T1G
2.5 V ± 1.0%
2.1 V ± 1.0%
S-1701W2522-M5T1G
S-1701W2522-U5T1G
2.5 V ± 1.0%
2.2 V ± 1.0%
S-1701W3024-M5T1G
S-1701W3024-U5T1G
3.0 V ± 1.0%
2.4 V ± 1.0%
S-1701W3025-M5T1G
S-1701W3025-U5T1G
3.0 V ± 1.0%
2.5 V ± 1.0%
S-1701W3026-M5T1G
S-1701W3026-U5T1G
3.0 V ± 1.0%
2.6 V ± 1.0%
S-1701W3326-M5T1G
S-1701W3326-U5T1G
3.3 V ± 1.0%
2.6 V ± 1.0%
S-1701W3327-M5T1G
S-1701W3327-U5T1G
3.3 V ± 1.0%
2.7 V ± 1.0%
S-1701W3328-M5T1G
S-1701W3328-U5T1G
3.3 V ± 1.0%
2.8 V ± 1.0%
S-1701W3430-M5T1G
S-1701W3430-U5T1G
3.4 V ± 1.0%
3.0 V ± 1.0%
S-1701W5040-M5T1G
S-1701W5040-U5T1G
5.0 V ± 1.0%
4.0 V ± 1.0%
S-1701W5041-M5T1G
S-1701W5041-U5T1G
5.0 V ± 1.0%
4.1 V ± 1.0%
S-1701W5042-M5T1G
S-1701W5042-U5T1G
5.0 V ± 1.0%
4.2 V ± 1.0%
S-1701W5043-M5T1G
S-1701W5043-U5T1G
5.0 V ± 1.0%
4.3 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
3. 18 S-1701 Series X type
ON/OFF pin : VIN connection
SENSE pin : VIN connection
ON/OFF logic
: None
Release delay time : No delay (60 µs)
Table 19
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701X2219-M5T1G
2.2 V ± 1.0%
1.9 V ± 1.0%
−
S-1701X3228-M5T1G
S-1701X3228-U5T1G
3.2 V ± 1.0%
2.8 V ± 1.0%
S-1701X3330-U5T1G
3.3 V ± 1.0%
3.0 V ± 1.0%
−
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
3. 19 S-1701 Series Y type
ON/OFF pin : VIN connection
SENSE pin : VIN connection
ON/OFF logic
: None
Release delay time : 50 ms
Table 20
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701Y3228-M5T1G
S-1701Y3228-U5T1G
3.2 V ± 1.0%
2.8 V ± 1.0%
S-1701Y3330-U5T1G
3.3 V ± 1.0%
3.0 V ± 1.0%
−
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
Seiko Instruments Inc.
15
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. 20 S-1701 Series Z type
ON/OFF pin : VIN connection
SENSE pin : VIN connection
ON/OFF logic
: None
Release delay time : 100 ms
Table 21
Output Voltage
Detection Voltage
SOT-23-5
SOT-89-5
S-1701Z3228-M5T1G
S-1701Z3228-U5T1G
3.2 V ± 1.0%
2.8 V ± 1.0%
Remark
Please contact the SII marketing department for products with an output voltage or detection voltage other than those specified above.
16
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Pin Configurations
Table 22
SOT-23-5
Top view
5
1
4
2
3
Figure 7
Pin No.
Symbol
Description
1
2
VIN
VSS
3
ON/OFF
3
SENSE
3
NC*1
4
VDOUT
Detector output voltage pin*2
5
VOUT
Regulator output voltage pin
Input voltage pin
GND pin
Shutdown pin
(A, B, C, D, E, F, G, H, J, K, L, M types)
Detector SENSE pin
(N, P, Q, R, S, T types)
No connection
(U, V, W, X, Y, Z types)
*1. The NC pin is electrically open.
The NC pin can be connected to VIN and VSS.
*2. Due to Nch open drain products, please use the pull-up resistor.
Table 23
SOT-89-5
Top view
5
1
4
2
Figure 8
3
Pin No.
Symbol
1
2
3
4
VIN
VSS
VOUT
VDOUT
Description
Input voltage pin
GND pin
Regulator output voltage pin
Detector output voltage pin*2
Shutdown pin
5
ON/OFF
(A, B, C, D, E, F, G, H, J, K, L, M types)
Detector SENSE pin
5
SENSE
(N, P, Q, R, S, T types)
No connection
5
NC*1
(U, V, W, X, Y, Z types)
*1. The NC pin is electrically open.
The NC pin can be connected to VIN and VSS
*2. Due to Nch open drain products, please use the pull-up resistor.
Seiko Instruments Inc.
17
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Absolute Maximum Ratings
Table 24
Parameter
Input voltage
Regulator output voltage
Detector output voltage
R,S,T type
Symbol
VIN
VON/OFF
VSENSE
VOUT
VDOUT
SOT-23-5
Power
dissipation
PD
SOT-89-5
(Ta = 25 °C unless otherwise specified)
Absolute Maximum Rating
Unit
V
VSS − 0.3 to VSS + 7
VSS − 0.3 to VIN + 0.3
V
VSS − 0.3 to VSS + 7
V
VSS − 0.3 to VIN + 0.3
V
VSS − 0.3 to VSS + 7
V
VSS − 0.3 to VIN + 0.3
300 (When not mounted on board)
mW
600*1
mW
500 (When not mounted on board)
mW
1000*1
mW
−40 to +85
°C
−40 to +125
°C
Operating ambient temperature Topr
Storage temperature
Tstg
*1. When mounted on board
[Mounted board]
(1) Board size : 114.3 mm × 76.2 mm × t1.6 mm
(2) Board name : JEDEC STANDARD51-7
Caution The absolute maximum ratings are rated values exceeding which the product could suffer
physical damage. These values must therefore not be exceeded under any conditions.
(1) When mounted on board
SOT-89-5
Power dissipation PD (mW)
Power dissipation PD (mW)
1200
(2) When not mounted on board
1000
800
600
400
SOT-23-5
200
0
0
50
100
1200
1000
800
SOT-89-5
600
400
200
150
Ambient temperature Ta (°C)
0
SOT-23-5
0
50
Seiko Instruments Inc.
150
Ambient temperature Ta (°C)
Figure 9 Power Dissipation of Package
18
100
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Electrical Characteristics
1. S-1701 Series A/ B/ C/ G/ H/ J types
Table 25 (1/2)
Parameter
Current
consumption
Regulator block
Parameter
Symbol
ISS
Symbol
Output voltage*1
VOUT(E)
Output current*2
IOUT
Dropout voltage*3
Vdrop
Line regulation
Load regulation
Output voltage
temperature
coefficient*4
Current
consumption
during operation
Input voltage
ON/OFF pin
input voltage “H”
ON/OFF pin
input voltage “L”
ON/OFF pin
input current “H”
ON/OFF pin
input current “L”
∆VOUT1
∆VIN • VOUT
∆VOUT2
∆VOUT
∆Ta • VOUT
ISSR
VIN
Conditions
VIN = VOUT(S) + 1.0 V, no load
(Ta = 25 °C unless otherwise specified)
Test
Min.
Typ.
Max.
Unit
Circuit
−
85
110
µA
3
Min.
Typ.
Max.
Unit
Test
Circuit
VOUT(S)
× 0.99
VOUT(S)
VOUT(S)
× 1.01
V
1
400*7
−
−
mA
2
0.50
−
−
−
−
0.54
0.34
0.19
0.16
0.14
0.58
0.38
0.29
0.25
0.21
V
V
V
V
V
1
1
1
1
1
VOUT(S) + 0.5 V ≤ VIN ≤ 6.5 V, IOUT = 30 mA
−
0.05
0.2
%/V
1
VIN = VOUT(S) + 1.0 V, 1.0 mA ≤ IOUT ≤ 100 mA
−
20
40
mV
1
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
−40 ≤ Ta ≤ +85 °C*8
−
±100
±350
ppm/
°C
1
VIN = VOUT(S) + 1.0 V, ON/OFF pin = ON,
no load
−
80
103
µA
3
2
−
6.5
V
−
Conditions
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
VIN ≥ VOUT(S) + 2.0 V
When VOUT(S) = 4.5 V or higher, VIN = 6.5 V
IOUT = 100 mA
1.5 V ≤ VOUT(S) ≤ 1.6 V
1.7 V ≤ VOUT(S) ≤ 1.8 V
1.9 V ≤ VOUT(S) ≤ 2.3 V
2.4 V ≤ VOUT(S) ≤ 2.7 V
2.8 V ≤ VOUT(S) ≤ 5.0 V
−
VSH
VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ
1.5
−
−
V
4
VSL
VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ
−
−
0.3
V
4
ISH
VIN = 6.5 V, VON/OFF = 6.5 V
−0.1
−
0.1
µA
4
ISL
VIN = 6.5 V, VON/OFF = 0 V
−0.1
−
0.1
µA
4
−
70
−
dB
5
−
160
−
mA
2
Ripple rejection
|RR|
Short-circuit
current
Ishort
VIN = VOUT(S) + 1.0 V, f = 1.0 kHz,
∆Vrip = 0.5 Vrms, IOUT = 30 mA
VIN = VOUT(S) + 1.0 V, ON/OFF pin = ON,
VOUT = 0 V
Seiko Instruments Inc.
19
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Table 25 (2/2)
Detector block
Parameter
Symbol
Detection voltage*5
−VDET
Hysteresis width
Output current
VHYS
IDOUT
Detection voltage
temperature
coefficient*6
Delay time
∆−VDET
∆Ta • −VDET
tD
Conditions
−
Nch, VDOUT = 0.5 V
−
VIN = 1.4 V
(1.5 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 2.0 V
(2.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 3.0 V
(3.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 4.0 V
(4.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 5.0 V
(5.1 V ≤ −VDET(S) ≤ 5.5 V)
(Ta = 25 °C unless otherwise specified)
Test
Min.
Typ.
Max.
Unit
Circuit
−VDET(S)
−VDET(S)
V
6
−VDET(S)
× 0.99
× 1.01
3
5
7
%
6
1.0
3.0
−
mA
7
2.0
4.5
−
mA
7
3.0
5.5
−
mA
7
4.0
6.0
−
mA
7
5.0
6.5
−
mA
7
−40 ≤ Ta ≤ +85 °C*8
−
±140
±550
ppm/
°C
6
No delay (tD = 60 µs)
tD = 50 ms
tD = 100 ms
−
tD
× 0.65
60
tD
100
tD
× 1.35
µs
ms
ms
6
6
6
Current
VIN = VOUT(S) + 1.0 V, ON/OFF pin = OFF,
ISSD
5
7
8
consumption
µA
−
no load
during operation
Input voltage
VIN
0.8
6.5
V
−
−
−
Current leakage of
VIN = 6.5 V, VDOUT = 6.5 V
0.1
7
ILEAK
µA
−
−
output transistor
*1. VOUT(S): Specified output voltage
VOUT(E): Actual output voltage at the fixed load
The output voltage when fixing IOUT (= 30 mA) and inputting VOUT(S) + 1.0 V
*2. The output current at which the output voltage becomes lower than 95% of VOUT(E) after gradually increasing the output
current.
*3. Vdrop = VIN1 − (VOUT3 × 0.98)
VOUT3 is the output voltage when VIN = VOUT(S) + 1.0 V and IOUT = 100 mA.
VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage.
*4. The change in temperature [mV/°C] of the regulator output voltage is calculated using the following equation.
∆VOUT
[mV/ °C]*1 = VOUT(S)[V ]*2 × ∆VOUT [ppm/ °C]*3 ÷ 1000
∆Ta
∆Ta • VOUT
*1. The change in temperature of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
*5. −VDET: Actual detection voltage, −VDET(S): Specified detection voltage
*6. The change in temperature [mV/°C] of the detector detection voltage is calculated using the following equation.
∆−VDET
∆Ta
[mV/°C]*1 = −VDET(S) (Typ.) [V]*2 ×
∆−VDET
∆Ta • −VDET
[ppm/°C]*3 ÷ 1000
*1. The change in temperature of the detection voltage
*2. Specified detection voltage
*3. Detection voltage temperature coefficient
*7. The output current can be at least this value.
Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the power
dissipation of the package when the output current is large. This specification is guaranteed by design.
*8. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design,
not tested in production.
20
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
2. S-1701 Series D/ E/ F/ K/ L/ M types
Table 26 (1/2)
Parameter
Symbol
Current
consumption
Regulator block
Parameter
ISS
Symbol
Output voltage*1
VOUT(E)
Output current*2
IOUT
Dropout voltage
*3
Line regulation
Load regulation
Output voltage
temperature
coefficient*4
Current
consumption
during operation
Input voltage
ON/OFF pin
input voltage “H”
ON/OFF pin
input voltage “L”
ON/OFF pin
input current “H”
ON/OFF pin
input current “L”
Vdrop
∆VOUT1
∆VIN • VOUT
∆VOUT2
∆VOUT
∆Ta • VOUT
ISSR
VIN
Conditions
VIN = VOUT(S) + 1.0 V, no load
(Ta = 25 °C unless otherwise specified)
Test
Min.
Typ.
Max.
Unit
Circuit
−
85
110
µA
3
Min.
Typ.
Max.
Unit
Test
Circuit
VOUT(S)
× 0.99
VOUT(S)
VOUT(S)
× 1.01
V
1
400*7
−
−
mA
2
0.50
−
−
−
−
0.54
0.34
0.19
0.16
0.14
0.58
0.38
0.29
0.25
0.21
V
V
V
V
V
1
1
1
1
1
VOUT(S) + 0.5 V ≤ VIN ≤ 6.5 V, IOUT = 30 mA
−
0.05
0.2
%/V
1
VIN = VOUT(S) + 1.0 V, 1.0 mA ≤ IOUT ≤ 100 mA
−
20
40
mV
1
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
−40 ≤ Ta ≤ +85°C*8
−
±100
±350
ppm/
°C
1
VIN = VOUT(S) + 1.0 V, ON/OFF pin = ON,
no load
−
80
103
µA
3
2
−
6.5
V
−
Conditions
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
VIN ≥ VOUT(S) + 2.0 V
When VOUT(S) = 4.5 V or higher, VIN = 6.5 V
IOUT = 100 mA
1.5 V ≤ VOUT(S) ≤ 1.6 V
1.7 V ≤ VOUT(S) ≤ 1.8 V
1.9 V ≤ VOUT(S) ≤ 2.3 V
2.4 V ≤ VOUT(S) ≤ 2.7 V
2.8 V ≤ VOUT(S) ≤ 5.0 V
−
VSH
VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ
1.5
−
−
V
4
VSL
VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ
−
−
0.3
V
4
ISH
VIN = 6.5 V, VON/OFF = 6.5 V
−0.1
−
0.1
µA
4
ISL
VIN = 6.5 V, VON/OFF = 0 V
−0.1
−
0.1
µA
4
−
70
−
dB
5
−
160
−
mA
2
Ripple rejection
|RR|
Short-circuit
current
Ishort
VIN = VOUT(S) + 1.0 V, f = 1.0 kHz,
∆Vrip = 0.5 Vrms, IOUT = 30 mA
VIN = VOUT(S) + 1.0 V, ON/OFF pin = ON,
VOUT = 0 V
Seiko Instruments Inc.
21
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Table 26 (2/2)
Detector block
Parameter
*5
Symbol
Detection voltage
−VDET
Hysteresis width
Output current
VHYS
IDOUT
Detection voltage
temperature
coefficient*6
Delay time
∆−VDET
∆Ta • −VDET
tD
Conditions
−
−
VIN = 1.4 V
(1.5 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 2.0 V
(2.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 3.0 V
(3.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 4.0 V
(4.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 5.0 V
(5.1 V ≤ −VDET(S) ≤ 5.5 V)
Nch, VDOUT = 0.5 V
−40 ≤ Ta ≤ +85 °C*8
No delay (tD = 60 µs)
tD = 50 ms
tD = 100 ms
VIN = VOUT(S) + 1.0 V, ON/OFF pin = OFF,
no load
−
(Ta = 25 °C unless otherwise specified)
Min.
Typ.
Max.
Unit Test Circuit
−VDET(S)
−VDET(S)
V
9
−VDET(S)
× 0.99
× 1.01
3
5
7
%
9
1.0
3.0
−
mA
7
2.0
4.5
−
mA
7
3.0
5.5
−
mA
7
4.0
6.0
−
mA
7
5.0
6.5
−
mA
7
−
±140
±550
ppm/
°C
9
−
tD
× 0.65
60
tD
100
tD
× 1.35
µs
ms
ms
9
9
9
Current consumption
ISSD
−
5
7
µA
8
during operation
Input voltage
VIN
0.8
6.5
V
−
−
Current leakage of
ILEAK
VIN = 6.5 V, VDOUT = 6.5 V
0.1
7
µA
−
−
output transistor
*1. VOUT(S): Specified output voltage
VOUT(E): Actual output voltage at the fixed load
The output voltage when fixing IOUT (= 30 mA) and inputting VOUT(S) + 1.0 V
*2. The output current at which the output voltage becomes lower than 95% of VOUT(E) after gradually increasing the output
current.
*3. Vdrop = VIN1 − (VOUT3 × 0.98)
VOUT3 is the output voltage when VIN = VOUT(S) + 1.0 V and IOUT = 100 mA.
VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage.
*4. The change in temperature [mV/°C] of the regulator output voltage is calculated using the following equation.
∆VOUT
[mV/ °C]*1 = VOUT(S)[V ]*2 × ∆VOUT [ppm/ °C]*3 ÷ 1000
∆Ta
∆Ta • VOUT
*1. The change in temperature of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
*5. −VDET: Actual detection voltage, −VDET(S): Specified detection voltage
*6. The change in temperature [mV/°C] of the detector detection voltage is calculated using the following equation.
∆−VDET
∆Ta
[mV/°C]*1 = −VDET(S) (Typ.) [V]*2 ×
∆−VDET
∆Ta • −VDET
[ppm/°C]*3 ÷ 1000
*1. The change in temperature of the detection voltage
*2. Specified detection voltage
*3. Detection voltage temperature coefficient
*7. The output current can be at least this value.
Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the power
dissipation of the package when the output current is large. This specification is guaranteed by design.
*8. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design,
not tested in production.
22
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. S-1701 Series N/ P/ Q types
Table 27 (1/2)
Parameter
Symbol
Current
consumption
Regulator block
Parameter
ISS
Symbol
Output voltage*1
VOUT(E)
Output current*2
IOUT
Dropout voltage
*3
Line regulation
Load regulation
Output voltage
temperature
coefficient*4
Input voltage
Vdrop
∆VOUT1
∆VIN • VOUT
∆VOUT2
∆VOUT
∆Ta • VOUT
VIN
Ripple rejection
|RR|
Short-circuit
current
Ishort
Conditions
VIN = VOUT(S) + 1.0 V, no load
(Ta = 25 °C unless otherwise specified)
Test
Min.
Typ.
Max.
Unit
Circuit
−
85
110
µA
12
Min.
Typ.
Max.
Unit
Test
Circuit
VOUT(S)
× 0.99
VOUT(S)
VOUT(S)
× 1.01
V
10
400*7
−
−
mA
11
0.50
−
−
−
−
0.54
0.34
0.19
0.16
0.14
0.58
0.38
0.29
0.25
0.21
V
V
V
V
V
10
10
10
10
10
VOUT(S) + 0.5 V ≤ VIN ≤ 6.5 V, IOUT = 30 mA
−
0.05
0.2
%/V
10
VIN = VOUT(S) + 1.0 V, 1.0 mA ≤ IOUT ≤ 100 mA
−
20
40
mV
10
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
−40 ≤ Ta ≤ +85°C*8
−
±100
±350
ppm/
°C
10
−
VIN = VOUT(S) + 1.0 V, f = 1.0 kHz,
∆Vrip = 0.5 Vrms, IOUT = 30 mA
2
−
6.5
V
−
−
70
−
dB
13
VIN = VOUT(S) + 1.0 V, VOUT = 0 V
−
160
−
mA
11
Conditions
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
VIN ≥ VOUT(S) + 2.0 V
When VOUT(S) = 4.5 V or higher, VIN = 6.5 V
IOUT = 100 mA
1.5 V ≤ VOUT(S) ≤ 1.6 V
1.7 V ≤ VOUT(S) ≤ 1.8 V
1.9 V ≤ VOUT(S) ≤ 2.3 V
2.4 V ≤ VOUT(S) ≤ 2.7 V
2.8 V ≤ VOUT(S) ≤ 5.0 V
Seiko Instruments Inc.
23
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Table 27 (2/2)
(Ta = 25 °C unless otherwise specified)
Detector block
Parameter
Detection voltage*5
Hysteresis width
Output current
Detection voltage
temperature
coefficient*6
Delay time
Symbol
Conditions
Unit
Test Circuit
V
14
5
Max.
−VDET(S)
× 1.01
7
%
14
1.0
3.0
−
mA
15
2.0
4.5
−
mA
15
3.0
5.5
−
mA
15
4.0
6.0
−
mA
15
5.0
6.5
−
mA
15
−40 ≤ Ta ≤ +85 °C*8
−
±140
±550
ppm/
°C
14
No delay (tD = 60 µs)
tD = 50 ms
tD = 100 ms
−
tD
× 0.65
0.8
60
tD
100
tD
× 1.35
6.5
µs
ms
ms
V
14
14
14
−
−VDET
VHYS
IDOUT
∆−VDET
∆Ta • −VDET
tD
−
−
VIN = 1.4 V
(1.5 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 2.0 V
(2.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 3.0 V
(3.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 4.0 V
(4.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 5.0 V
(5.1 V ≤ −VDET(S) ≤ 5.5 V)
Nch, VDOUT = 0.5 V
Min.
−VDET(S)
× 0.99
3
Typ.
−VDET(S)
Input voltage
VIN
−
−
Current leakage of
ILEAK
VIN = 6.5 V, VDOUT = 6.5 V
−
−
0.1
µA
15
output transistor
*1. VOUT(S): Specified output voltage
VOUT(E): Actual output voltage at the fixed load
The output voltage when fixing IOUT (= 30 mA) and inputting VOUT(S) + 1.0 V
*2. The output current at which the output voltage becomes lower than 95% of VOUT(E) after gradually increasing the output
current.
*3. Vdrop = VIN1 − (VOUT3 × 0.98)
VOUT3 is the output voltage when VIN = VOUT(S) + 1.0 V and IOUT = 100 mA.
VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage.
*4. The change in temperature [mV/°C] of the regulator output voltage is calculated using the following equation.
∆VOUT
[mV/ °C]*1 = VOUT(S)[V ]*2 × ∆VOUT [ppm/ °C]*3 ÷ 1000
∆Ta
∆Ta • VOUT
*1. The change in temperature of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
*5. −VDET: Actual detection voltage, −VDET(S): Specified detection voltage
*6. The change in temperature [mV/°C] of the detector detection voltage is calculated using the following equation.
∆−VDET
∆Ta
[mV/°C]*1 = −VDET(S) (Typ.) [V]*2 ×
∆−VDET
∆Ta • −VDET
[ppm/°C]*3 ÷ 1000
*1. The change in temperature of the detection voltage
*2. Specified output voltage
*3. Detection voltage temperature coefficient
*7. The output current can be at least this value.
Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the power
dissipation of the package when the output current is large. This specification is guaranteed by design.
*8. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design,
not tested in production.
24
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
4. S-1701 Series R/ S/ T types
Table 28 (1/2)
Parameter
Current
consumption
Regulator block
Parameter
Symbol
ISS
Symbol
Output voltage*1
VOUT(E)
Output current*2
IOUT
Dropout voltage*3
Vdrop
Line regulation
Load regulation
Output voltage
temperature
coefficient*4
Input voltage
∆VOUT1
∆VIN • VOUT
∆VOUT2
∆VOUT
∆Ta • VOUT
VIN
Conditions
VIN = VOUT(S) + 1.0 V, no load
(Ta = 25 °C unless otherwise specified)
Test
Min.
Typ.
Max.
Unit
Circuit
−
85
110
µA
12
Min.
Typ.
Max.
Unit
Test
Circuit
VOUT(S)
× 0.99
VOUT(S)
VOUT(S)
× 1.01
V
10
400*7
−
−
mA
11
0.50
−
−
−
−
0.54
0.34
0.19
0.16
0.14
0.58
0.38
0.29
0.25
0.21
V
V
V
V
V
10
10
10
10
10
VOUT(S) + 0.5 V ≤ VIN ≤ 6.5 V, IOUT = 30 mA
−
0.05
0.2
%/V
10
VIN = VOUT(S) + 1.0 V, 1.0 mA ≤ IOUT ≤ 100 mA
−
20
40
mV
10
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
−40 ≤ Ta ≤ +85 °C*8
−
±100
±350
ppm/
°C
10
2
−
6.5
V
−
−
70
−
dB
13
−
160
−
mA
11
Conditions
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
VIN ≥ VOUT(S) + 2.0 V
When VOUT(S) = 4.5 V or higher, VIN = 6.5 V
IOUT = 100 mA 1.5 V ≤ VOUT(S) ≤ 1.6 V
1.7 V ≤ VOUT(S) ≤ 1.8 V
1.9 V ≤ VOUT(S) ≤ 2.3 V
2.4 V ≤ VOUT(S) ≤ 2.7 V
2.8 V ≤ VOUT(S) ≤ 5.0 V
−
Ripple rejection
|RR|
VIN = VOUT(S) + 1.0 V, f = 1.0 kHz,
∆Vrip = 0.5 Vrms, IOUT = 30 mA
Short-circuit
current
Ishort
VIN = VOUT(S) + 1.0 V, VOUT = 0 V
Seiko Instruments Inc.
25
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Table 28 (2/2)
Detector block
Parameter
Detection voltage*5
Hysteresis width
Output current
Detection voltage
temperature
coefficient*6
Delay time
Symbol
Conditions
−VDET
VHYS
IDOUT
∆−VDET
∆Ta • −VDET
tD
−
Nch, VDOUT = 0.5 V
−
VIN = 1.4 V
(1.5 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 2.0 V
(2.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 3.0 V
(3.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 4.0 V
(4.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 5.0 V
(5.1 V ≤ −VDET(S) ≤ 5.5 V)
(Ta = 25 °C unless otherwise specified)
Test
Min.
Typ.
Max.
Unit
Circuit
−VDET(S)
−VDET(S)
−VDET(S)
V
14
× 0.99
× 1.01
3
5
7
%
14
1.0
3.0
−
mA
15
2.0
4.5
−
mA
15
3.0
5.5
−
mA
15
4.0
6.0
−
mA
15
5.0
6.5
−
mA
15
−40 ≤ Ta ≤ +85 °C*8
−
±140
±550
ppm/
°C
14
No delay (tD = 60 µs)
tD = 50 ms
tD = 100 ms
−
tD
× 0.65
0.8
60
tD
100
tD
× 1.35
6.5
us
ms
ms
V
14
14
14
−
Input voltage
VIN
−
−
Current leakage of
ILEAK
VIN = 6.5 V, VDOUT = 6.5 V
−
−
0.1
µA
15
output transistor
*1. VOUT(S): Specified output voltage
VOUT(E): Actual output voltage at the fixed load
The output voltage when fixing IOUT (= 30 mA) and inputting VOUT(S) + 1.0 V
*2. The output current at which the output voltage becomes lower than 95% of VOUT(E) after gradually increasing the output
current.
*3. Vdrop = VIN1 − (VOUT3 × 0.98)
VOUT3 is the output voltage when VIN = VOUT(S) + 1.0 V and IOUT = 100 mA.
VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage.
*4. The change in temperature [mV/°C] of the regulator output voltage is calculated using the following equation.
∆VOUT
[mV/ °C]*1 = VOUT(S)[V ]*2 × ∆VOUT [ppm/ °C]*3 ÷ 1000
∆Ta
∆Ta • VOUT
*1. The change in temperature of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
*5. −VDET: Actual detection voltage, −VDET(S): Specified detection voltage
*6. The change in temperature [mV/°C] of the detector detection voltage is calculated using the following equation.
∆−VDET
∆Ta
[mV/°C]*1 = −VDET(S) (Typ.) [V]*2 ×
∆−VDET
∆Ta • −VDET
[ppm/°C]*3 ÷ 1000
*1. The change in temperature of the detection voltage
*2. Specified detection voltage
*3. Detection voltage temperature coefficient
*7. The output current can be at least this value.
Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the power
dissipation of the package when the output current is large. This specification is guaranteed by design.
*8. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by
design, not tested in production.
26
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
5. S-1701 Series U/ V/ W types
Table 29 (1/2)
Parameter
Current
consumption
Regulator block
Parameter
Symbol
ISS
Symbol
Output voltage*1
VOUT(E)
Output current*2
IOUT
Dropout voltage*3
Vdrop
Line regulation
Load regulation
Output voltage
temperature
coefficient*4
Input voltage
∆VOUT1
∆VIN • VOUT
∆VOUT2
∆VOUT
∆Ta • VOUT
VIN
Conditions
VIN = VOUT(S) + 1.0 V, no load
(Ta = 25 °C unless otherwise specified)
Test
Min.
Typ.
Max.
Unit
Circuit
−
85
110
µA
12
Min.
Typ.
Max.
Unit
Test
Circuit
VOUT(S)
× 0.99
VOUT(S)
VOUT(S)
× 1.01
V
10
400*7
−
−
mA
11
0.50
−
−
−
−
0.54
0.34
0.19
0.16
0.14
0.58
0.38
0.29
0.25
0.21
V
V
V
V
V
10
10
10
10
10
VOUT(S) + 0.5 V ≤ VIN ≤ 6.5 V, IOUT = 30 mA
−
0.05
0.2
%/V
10
VIN = VOUT(S) + 1.0 V, 1.0 mA ≤ IOUT ≤ 100 mA
−
20
40
mV
10
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
−40 ≤ Ta ≤ +85 °C*8
−
±100
±350
ppm/
°C
10
2
−
6.5
V
−
−
70
−
dB
13
−
160
−
mA
11
Conditions
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
VIN ≥ VOUT(S) + 2.0 V
When VOUT(S) = 4.5 V or higher, VIN = 6.5 V
IOUT = 100 mA
1.5 V ≤ VOUT(S) ≤ 1.6 V
1.7 V ≤ VOUT(S) ≤ 1.8 V
1.9 V ≤ VOUT(S) ≤ 2.3 V
2.4 V ≤ VOUT(S) ≤ 2.7 V
2.8 V ≤ VOUT(S) ≤ 5.0 V
−
Ripple rejection
|RR|
VIN = VOUT(S) + 1.0 V, f = 1.0 kHz,
∆Vrip = 0.5 Vrms, IOUT = 30 mA
Short-circuit
current
Ishort
VIN = VOUT(S) + 1.0 V, VOUT = 0 V
Seiko Instruments Inc.
27
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Table 29 (2/2)
Detector block
Parameter
Symbol
Detection voltage*5
−VDET
Hysteresis width
Output current
VHYS
IDOUT
Detection voltage
temperature
coefficient*6
Delay time
∆−VDET
∆Ta • −VDET
tD
Conditions
−
−
VIN = 1.4 V
(1.5 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 2.0 V
(2.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 3.0 V
(3.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 4.0 V
(4.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 5.0 V
(5.1 V ≤ −VDET(S) ≤ 5.5 V)
Nch, VDOUT = 0.5 V
(Ta = 25 °C unless otherwise specified)
Min.
Typ.
Max.
Unit Test Circuit
−VDET(S)
−VDET(S)
V
16
−VDET(S)
× 0.99
× 1.01
3
5
7
%
16
1.0
3.0
−
mA
15
2.0
4.5
−
mA
15
3.0
5.5
−
mA
15
4.0
6.0
−
mA
15
5.0
6.5
−
mA
15
−40 ≤ Ta ≤ +85 °C*8
−
±140
±550
ppm/
°C
16
No delay (tD = 60 µs)
tD = 50 ms
tD = 100 ms
−
tD
× 0.65
0.8
60
tD
100
tD
× 1.35
6.5
µs
ms
ms
V
16
16
16
−
Input voltage
VIN
−
−
Current leakage of
VIN = 6.5 V, VDOUT = 6.5 V
0.1
15
ILEAK
µA
−
−
output transistor
*1. VOUT(S): Specified output voltage
VOUT(E): Actual output voltage at the fixed load
The output voltage when fixing IOUT (= 30 mA) and inputting VOUT(S) + 1.0 V
*2. The output current at which the output voltage becomes lower than 95% of VOUT(E) after gradually increasing the output
current.
*3. Vdrop = VIN1 − (VOUT3 × 0.98)
VOUT3 is the output voltage when VIN = VOUT(S) + 1.0 V and IOUT = 100 mA.
VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage.
*4. The change in temperature [mV/°C] of the regulator output voltage is calculated using the following equation.
∆VOUT
[mV/ °C]*1 = VOUT(S)[V ]*2 × ∆VOUT [ppm/ °C]*3 ÷ 1000
∆Ta
∆Ta • VOUT
*1. The change in temperature of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
*5. −VDET: Actual detection voltage, −VDET(S): Specified detection voltage
*6. The change in temperature [mV/°C] of the detector detection voltage is calculated using the following equation.
∆−VDET
∆Ta
[mV/°C]*1 = −VDET(S) (Typ.) [V]*2 ×
∆−VDET
∆Ta • −VDET
[ppm/°C]*3 ÷ 1000
*1. The change in temperature of the detection voltage
*2. Specified detection voltage
*3. Detection voltage temperature coefficient
*7. The output current can be at least this value.
Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the power
dissipation of the package when the output current is large. This specification is guaranteed by design.
*8. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design,
not tested in production.
28
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
6. S-1701 Series X/ Y/ Z types
Table 30 (1/2)
Parameter
Current
consumption
Regulator block
Parameter
Symbol
ISS
Symbol
Output voltage*1
VOUT(E)
Output current*2
IOUT
Dropout voltage*3
Vdrop
Line regulation
∆VOUT1
∆VIN • VOUT
Conditions
(Ta = 25 °C unless otherwise specified)
Test
Min.
Typ.
Max.
Unit
Circuit
VIN = VOUT(S) + 1.0 V, no load
−
85
110
µA
12
Min.
Typ.
Max.
Unit
Test
Circuit
VOUT(S)
× 0.99
VOUT(S)
VOUT(S)
× 1.01
V
10
400*7
−
−
mA
11
0.50
−
−
−
−
0.54
0.34
0.19
0.16
0.14
0.58
0.38
0.29
0.25
0.21
V
V
V
V
V
10
10
10
10
10
VOUT(S) + 0.5 V ≤ VIN ≤ 6.5 V, IOUT = 30 mA
−
0.05
0.2
%/V
10
VIN = VOUT(S) + 1.0 V, 1.0 mA ≤ IOUT ≤ 100 mA
−
20
40
mV
10
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
−40 ≤ Ta ≤ +85 °C*8
−
±100
±350
ppm/
°C
10
2
−
6.5
V
−
Conditions
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA
VIN ≥ VOUT(S) + 2.0 V
When VOUT(S) = 4.5 V or higher, VIN = 6.5 V
IOUT = 100 mA
1.5 V ≤ VOUT(S) ≤ 1.6 V
1.7 V ≤ VOUT(S) ≤ 1.8 V
1.9 V ≤ VOUT(S) ≤ 2.3 V
2.4 V ≤ VOUT(S) ≤ 2.7 V
2.8 V ≤ VOUT(S) ≤ 5.0 V
Load regulation
Output voltage
temperature
coefficient*4
∆VOUT2
Input voltage
VIN
Ripple rejection
|RR|
VIN = VOUT(S) + 1.0 V, f = 1.0 kHz,
∆Vrip = 0.5 Vrms, IOUT = 30 mA
−
70
−
dB
13
Short-circuit
current
Ishort
VIN = VOUT(S) + 1.0 V, VOUT = 0 V
−
160
−
mA
11
∆VOUT
∆Ta • VOUT
−
Seiko Instruments Inc.
29
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Table 30 (2/2)
Detector block
Parameter
Symbol
Detection voltage*5
−VDET
Hysteresis width
Output current
VHYS
IDOUT
Detection voltage
temperature
coefficient*6
Delay time
∆−VDET
∆Ta • −VDET
tD
Conditions
−
Nch, VDOUT = 0.5 V
−
VIN = 1.4 V
(1.5 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 2.0 V
(2.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 3.0 V
(3.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 4.0 V
(4.1 V ≤ −VDET(S) ≤ 5.5 V)
VIN = 5.0 V
(5.1 V ≤ −VDET(S) ≤ 5.5 V)
(Ta = 25 °C unless otherwise specified)
Test
Min.
Typ.
Max.
Unit
Circuit
−VDET(S)
−VDET(S)
V
14
−VDET(S)
× 0.99
× 1.01
3
5
7
%
14
1.0
3.0
−
mA
15
2.0
4.5
−
mA
15
3.0
5.5
−
mA
15
4.0
6.0
−
mA
15
5.0
6.5
−
mA
15
−40 ≤ Ta ≤ +85 °C*8
−
±140
±550
ppm/
°C
14
No delay (tD = 60 µs)
tD = 50 ms
tD = 100 ms
−
tD
× 0.65
0.8
60
tD
100
tD
× 1.35
6.5
µs
ms
ms
V
14
14
14
−
Input voltage
VIN
−
−
Current leakage of
VIN = 6.5 V, VDOUT = 6.5 V
0.1
ILEAK
µA
−
−
output transistor
*1. VOUT(S): Specified output voltage
VOUT(E): Actual output voltage at the fixed load
The output voltage when fixing IOUT (= 30 mA) and inputting VOUT(S) + 1.0 V
*2. The output current at which the output voltage becomes lower than 95% of VOUT(E) after gradually increasing the output current.
*3. Vdrop = VIN1 − (VOUT3 × 0.98)
VOUT3 is the output voltage when VIN = VOUT(S) + 1.0 V and IOUT = 100 mA.
VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage.
*4. The change in temperature [mV/°C] of the regulator output voltage is calculated using the following equation.
15
∆VOUT
[mV/ °C]*1 = VOUT(S)[V ]*2 × ∆VOUT [ppm/ °C]*3 ÷ 1000
∆Ta
∆Ta • VOUT
*1. The change in temperature of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
*5. −VDET: Actual detection voltage, −VDET(S): Specified detection voltage
*6. The change in temperature [mV/°C] of the detector detection voltage is calculated using the following equation.
∆−VDET
∆Ta
[mV/°C]*1 = −VDET(S) (Typ.) [V]*2 ×
∆−VDET
∆Ta • −VDET
[ppm/°C]*3 ÷ 1000
*1. The change in temperature of the detection voltage
*2. Specified detection voltage
*3. Detection voltage temperature coefficient
*7. The output current can be at least this value.
Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the power
dissipation of the package when the output current is large. This specification is guaranteed by design.
*8. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design,
not tested in production.
30
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Test Circuits
1.
Set to
power on
ON/OFF
VDOUT
VIN
VOUT
VSS
2.
Set to
power on
100 kΩ
+
V
A
+
Figure 10
3.
Set to
power on +
Set to
power on
4.
ON/OFF
VDOUT
A VIN
VOUT
VSS
ON/OFF
VDOUT
VIN
VOUT
VSS
100 kΩ
+
A
ON/OFF
VDOUT
VIN
VOUT
VSS
Set to
power off
ON/OFF
VDOUT
VIN
VOUT
VSS
+
A
V
+
100 kΩ
V
+
RL
Figure 13
6.
100 kΩ
V
+
Set to
power off
RL
Figure 14
7.
100 kΩ
Figure 11
Figure 12
5.
ON/OFF
VDOUT
VIN
VOUT
VSS
ON/OFF
VDOUT
VIN
VOUT
VSS
100 kΩ
V
+
Figure 15
8.
A
+
Figure 16
Set to
power off +
ON/OFF
VDOUT
A VIN
VOUT
VSS
100 kΩ
Figure 17
Seiko Instruments Inc.
31
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
9.
10.
VIN
VOUT
ON/OFF
VDOUT
VSS
(SENSE)
VDOUT
VIN
VOUT
VSS
100 kΩ
V
Set to
power off
+
Figure 18
11.
(SENSE)
VDOUT
VIN
VOUT
VSS
(SENSE)
VDOUT
VIN
VOUT
VSS
12.
100 kΩ
+
+
A
V
+
(SENSE)
VDOUT
VIN
VOUT
VSS
14.
100 kΩ
V
+
RL
A
(SENSE)
VDOUT
VIN
VOUT
VSS
100 kΩ
(SENSE)
VDOUT
VIN
VOUT
VSS
100 kΩ
V
+
Figure 23
16.
A
+
VIN
VOUT
VDOUT
VSS
Figure 24
32
V
A
+
Figure 21
Figure 22
15.
+
Figure 19
Figure 20
13.
100 kΩ
Figure 25
Seiko Instruments Inc.
100 kΩ
V
+
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Standard Circuit
1. S-1701 Series A/ B/ C/ D/ E/ F/ G/ H/ J/ K/ L/ M types
Input
CIN*1
VD output
VDOUT
VIN
VR output
ON/OFF VOUT
VSS
CL*2
GND
Single GND
*1. CIN is a capacitor for stabilizing the input.
*2. A ceramic capacitor of 1.0 µF or more can be used for CL.
Figure 26
2. S-1701 Series N/ P/ Q/ R/ S/ T/ U/ V/ W/ X/ Y/ Z types
Input
CIN*1
VDOUT
VIN
(SENSE) *3
VSS
Single GND
VOUT
VD output
VR output
CL*2
GND
*1. CIN is a capacitor for stabilizing the input.
*2. A ceramic capacitor of 1.0 µF or more can be used for CL.
*3. U/ V/ W/ X/ Y/ Z types of S-1701 series are no connection.
Figure 27
Caution The above connection diagrams and constants will not guarantee successful operation.
Perform thorough evaluation using the actual application to set the constants.
Application Conditions
Input capacitor (CIN):
Output capacitor (CL):
ESR of output capacitor:
1.0 µF or more
1.0 µF or more
10 Ω or less
Caution A general series regulator may oscillate, depending on the external components selected.
Check that no oscillation occurs in an application that uses the above capacitor.
Seiko Instruments Inc.
33
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Selection of Input and Output Capacitors (CIN, CL)
The S-1701 Series requires an output capacitor between the VOUT and VSS pins for phase compensation.
A ceramic capacitor with a capacitance of 1.0 µF or more provides a stable operation in all temperature
ranges. When using an OS capacitor, tantalum capacitor, or aluminum electrolytic capacitor, a capacitor
with a capacitance of 1.0 µF or more and an ESR of 10 Ω or less is required.
The output overshoot and undershoot values, which are transient response characteristics, vary depending
on the output capacitor value. The required capacitance value for the input capacitor differs depending on
the application.
The recommended application values are CIN = 1.0 µF or more and CL = 1.0 µF or more, however, perform
thorough evaluation using the actual device, including evaluation of temperature characteristics.
Explanation of Terms
Regulator block
1. Low dropout voltage regulator
The low dropout voltage regulator is a voltage regulator whose dropout voltage is low due to its built-in
low on-resistance transistor.
2. Low ESR
A capacitor whose ESR (Equivalent Series Resistance) is low. The S-1701 Series enables use of a low
ESR capacitor, such as a ceramic capacitor, for the output-side capacitor (CL). A capacitor whose ESR is
10 Ω or less can be used.
3. Output voltage (VOUT)
The accuracy of the output voltage is ensured at ±1.0% under the specified conditions of fixed input
voltage*1, fixed output current, and fixed temperature.
*1. Differs depending on the product.
Caution If the above conditions change, the output voltage value may vary and exceed the
accuracy range of the output voltage. Please see the electrical characteristics and
attached characteristics data for details.
 ∆VOUT 1 
4. Line regulation 

 ∆VIN • VOUT 
Indicates the dependency of the output voltage on the input voltage. That is, the values show how much
the output voltage changes due to a change in the input voltage with the output current remaining
unchanged.
5. Load regulation (∆VOUT2)
Indicates the dependency of the output voltage on the output current. That is, the values show how
much the output voltage changes due to a change in the output current with the input voltage remaining
unchanged.
6. Dropout voltage (Vdrop)
Indicates the difference between the input voltage VIN1, which is the input voltage (VIN) at the point where
the output voltage has fallen to 98% of the output voltage value VOUT3 after VIN was gradually decreased
from VIN = VOUT(S) + 1.0 V, and the output voltage at that point (VOUT3 × 0.98).
Vdrop = VIN1 − (VOUT3 × 0.98)
34
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
 ∆VOUT 
7. Temperature coefficient of the output voltage 

 ∆Ta • VOUT 
The shaded area in Figure 28 is the range where VOUT varies in the operating temperature range when
the temperature coefficient of the output voltage is ±100 ppm/°C.
Example of products with VOUT = 3.0 V
VOUT
[V]
+0.30 mV/°C
VOUT(E)*1
−0.30 mV/°C
−40
25
85
Ta [°C]
*1. VOUT(E) is the value of the output voltage measured at 25°C.
Figure 28
A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.
∆VOUT
[mV/ °C]*1 = VOUT(S)[V ]*2 × ∆VOUT [ppm/ °C]*3 ÷ 1000
∆Ta
∆Ta • VOUT
*1. Change in temperature of output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
Seiko Instruments Inc.
35
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Detector block
1. Detection voltage (−VDET), Release voltage (+VDET)
The detection voltage (−VDET) is the voltage at which the output switches to low. The detection
voltage varies slightly among products of the same specification. The variation of detection voltage
between the specified minimum (−VDET) Min. and the maximum (−VDET) Max. is called the detection
voltage range (refer to Figure 29).
e.g. For a product with −VDET = 3.0 V, the detection voltage is a value in the range of 2.97 V ≤
(−VDET) ≤ 3.03 V.
This means that some products have 2.97 V for −VDET and some have 3.03 V.
The release voltage (+VDET) is the voltage at which the output switches to high. The release voltage
varies slightly among products of the same specification. The variation of release voltages between
the specified minimum (+VDET) Min. and the maximum (+VDET) Max. is called the release voltage
range (refer to Figure 30).
e.g. For a product with −VDET = 3.0 V, the release voltage is a value in the range of 3.059 V ≤
(+VDET) ≤ 3.242 V.
This means that some products have 3.059 V for +VDET and some have 3.242 V.
VIN
(−VDET) Max.
(−VDET) Min.
VIN
Detection
voltage
Detection
voltage range
Release voltage
(+VDET) Max.
(+VDET) Min.
Release
voltage range
VDOUT
VDOUT
Delay time
Figure 29 Detection Voltage
Figure 30 Release Voltage
Remark The above figures show the detection voltage and release voltage when the SENSE pin is
connected to VIN.
36
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
2. Hysteresis width (VHYS)
The hysteresis width is the voltage difference between the detection voltage and the release voltage.
The existence of the hysteresis width prevents malfunction caused by noise on the input voltage.
3. Delay time (tD)
The delay time is a time internally measured from the instant at which the voltage input to the VDD pin
exceeds the release voltage (+VDET) to the point at which the output of the OUT pin inverts.
S-1701 Series A/ D/ G/ K/ N/ R/ U/ X types:
No delay (60 µs typ.)
S-1701 Series B/ E/ H/ L/ P/ S/ V/ Y types:
50 ms typ.
S-1701 Series C/ F/ J/ M/ Q/ T/ W/ Z types:
100 ms typ.
V
+VDET
VIN or
VSENSE
When tD = 60 µs
When tD = 50 ms, 100 ms
VDOUT
tD
tD
Remark
The figure shows the case when the SENSE pin is connected to VIN.
Figure 31
4. Through-type current
The through-type current refers to the current that flows instantaneously when the voltage detector
detects and releases a voltage. The through-type current flows at a frequency of 20 kHz during the
release delay time since the internal logic circuit operates.
Seiko Instruments Inc.
37
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
5. Oscillation
In applications where a resistor is connected to the input side (Figure 32), the through-type current
which is generated when the output goes from low to high (release) causes a voltage drop equal to
[through-type current] × [input resistance] across the resistor. When the input voltage drops below
the detection voltage as a result, the output voltage goes from high to low. In this state, the throughtype current stops, its resultant voltage drop disappears, and the output goes from low to high. The
through-type current is then generated again, a voltage drop appears, and repeating the process
finally induces oscillation.
VIN
Ra
VIN
S-1701
detector
block
VDOUT
Rb
VSS
Figure 32 Example of Bad Implementation of Detection Voltage Changer
6. Other characteristics
6. 1 Temperature characteristics of detection voltage
The shaded area in Figure 33 is the range where VOUT varies within the operating temperature range
when the temperature coefficient of the output voltage is ±140 ppm/°C.
Example of products with −VDET = 3.0 V
−VDET
[V]
+0.42 mV/°C
3.000
−0.42 mV/°C
−40
25
85
Ta [°C]
Figure 33 Detection Voltage Temperature Characteristics
38
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
6. 2. Temperature characteristics of release voltage
The temperature change
∆ + VDET
of the release voltage is calculated by the temperature
∆Ta
∆ − VDET
of the detection voltage as follows:
∆Ta
∆ + VDET
+ VDET ∆ − VDET
=
×
∆Ta
− VDET
∆Ta
change
The temperature changes of the release voltage and the detection voltage consequently have the
same sign.
6. 3. Temperature characteristics of hysteresis voltage
The temperature change of the hysteresis voltage is expressed as ∆ + V DET − ∆ − V DET and is
∆ Ta
∆ Ta
calculated as follows:
∆ + V DET
∆ − V DET
V HYS
∆ − V DET
−
=
×
∆ Ta
∆ Ta
− V DET
∆ Ta
Seiko Instruments Inc.
39
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Operation
Regulator block
1. Basic operation
Figure 34 shows the block diagram of the regulator block.
The error amplifier compares the reference voltage (Vref) with Vfb, which is the output voltage resistance
divided by feedback resistors Rs and Rf. It supplies the output transistor with the gate voltage necessary
to ensure a certain output voltage free of any fluctuations of input voltage and temperature.
Output voltage is selectable from the range of 1.5 to 5.0 V in the S-1701 Series.
VIN
*1
Current
supply
Error amplifier
VOUT
−
Vref
+
Rf
Vfb
Reference
voltage circuit
Rs
VSS
*1. Parasitic diode
Figure 34 Block Diagram (Regulator Block)
2. Output transistor
The S-1701 Series uses a low on-resistance P-channel MOS FET as the output transistor.
Be sure that VOUT does not exceed VIN + 0.3 V to prevent the voltage regulator from being damaged due to
inverse current flowing from the VOUT pin through a parasitic diode to the VIN pin.
40
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
3. Shutdown pin (ON/OFF pin) (S-1701 Series A/ B/ C/ D/ E/ F/ G/ H/ J/ K/ L/ M types)
This pin starts and stops the regulator.
When the ON/OFF pin is set to the shutdown level, the operation of all internal circuits stop, and the builtin P-channel MOS FET output transistor between the VIN pin and VOUT pin is turned off to substantially
reduce the current consumption. At this time, the current consumption equals that consumed by the
detector block, because the internal circuits of the detector are operating. The VOUT pin becomes the
VSS level due to the internally divided resistance of several hundred kΩ between the VOUT pin and VSS
pin.
The structure of the ON/OFF pin is as shown in Figure 35. Since the ON/OFF pin is neither pulled down
nor pulled up internally, do not use it in the floating state. In addition, note that the current consumption
increases if a voltage of 0.3 V to VIN − 0.3 V is applied to the ON/OFF pin. When the ON/OFF pin is not
used, connect it as follows according to the product type.
• S-1701 Series A/ B/ C/ D/ E/ F types: Connect to the VIN pin.
• S-1701 Series G/ H/ J/ K/ L/ M types: Connect to the VSS pin.
Table 31
Product Type
ON/OFF Pin
Internal Circuits
VOUT Pin Voltage
Current
Consumption
A/ B/ C/ D/ E/ F
“H”: Power on
Operating
Set value
ISS
A/ B/ C/ D/ E/ F
“L”: Shutdown
Stopped
VSS level
ISSD
G/ H/ J/ K/ L/ M
“H”: Shutdown
Stopped
VSS level
ISSD
G/ H/ J/ K/ L/ M
“L”: Power on
Operating
Set value
ISS
VIN
ON/OFF
VSS
Figure 35
Seiko Instruments Inc.
41
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Detector block
1. Basic operation
Figure 36 shows a block diagram of the detector block.
VSENSE
VIN
Ra
Current
supply
+
VDOUT
Delay circuit
−
*1
Rb
Nch
Vref
Rc
N1
VSS
*1.
Parasitic diode
Figure 36 Block Diagram (Detector Block)
(1) When the SENSE voltage (VSENSE) is higher than the release voltage (+VDET), the Nch
transistor is OFF and VIN (high) is output. Since the Nch transistor N1 in Figure 36 is OFF,
(Rb + Rc) • VSENSE
the comparator input voltage is
.
Ra + Rb + Rc
(2) When VSENSE goes below +VDET, VIN is output, as long as VSENSE remains above the detection
voltage (−VDET). When the VSENSE falls below −VDET, the Nch transistor becomes ON and VSS is
output. At this time, the Nch transistor N1 in Figure 36
Rb • VSENSE
.
becomes ON, and the comparator input voltage is changed to
Ra + Rb
(3) When VIN falls below the minimum operating voltage, the output becomes undefined. In this
case the output becomes VIN because it is pulled up.
(4) VSS is output when VIN rises above the minimum operating voltage. The VSS level still appears
even when VSENSE surpasses −VDET, as long as it does not exceed the release voltage +VDET.
When VSENSE rises above +VDET, the Nch transistor becomes OFF and VIN is output. VIN at the
VDOUT pin is delayed for tD due to the delay circuit.
(5) In the S-1701 Series, the detection voltage can be set within the range of 1.5 to 5.5 V
(operating voltage range: 0.8 to 6.5 V).
42
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
(1) (2)
(3) (4)
(5)
VDD
Release voltage (+VDET)
Detection voltage (−VDET)
B
Hysteresis width (VHYS)
A
Minimum operating voltage
VSS
VIN (VSENSE)
Output from VDOUT pin
VSS
tD
Remark The above figure shows the case when the SENSE pin is connected to VIN.
Figure 37 Operation
2. Delay circuit
The delay circuit delays the output signal from the time when the SENSE voltage (VSENSE) exceeds
the release voltage (+VDET) when VSENSE is turned on (refer to point B in Figure 37). The output
signal is not delayed when VSENSE goes below the detection voltage (−VDET) (refer to point A in
Figure 37).
The delay time (tD) is a fixed value that is determined by a built-in clock generator which consists of
constant current an a capacitor, and counter.
3. Delay circuit output voltage detection type (S-1701 Series D/ E/ F/ K/ L/ M/ U/ V/ W types)
If the input voltage or load current changes transiently, an undershoot or overshoot occurs in the
output voltage of the regulator. In the product types in which the output voltage of the regulator is
detected by the detector, if the output voltage is the detection voltage or lower due to the undershoot,
the detector operates and a reset signal may be output. To prevent this, set the value of the inputand-output capacitor of a regulator so that the undershoot is the minimum value or set a voltage
range that allows the difference between the output voltage and detection voltage to be equal to or
greater than the undershoot.
Seiko Instruments Inc.
43
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Explanation for Each Type
1. S-1701 Series A/ B/ C types
The S-1701 Series A/ B/ C types provide a regulator block standby mode realized by an ON/OFF function
that is active high. The internal circuit of the detector operates in the standby mode, so only the current that
the detector consumes flows.
The SENSE pin is connected to the VIN pin in the internal circuit of the detector block, so the voltage applied
to the VIN pin is monitored and a reset signal is output from the VDOUT pin. The built-in counter timer allows
selection of the release delay time from three settings (A: No delay (60 µs), B: 50 ms, C: 100 ms).
The power supply is shared by the regulator block and detector block and supplied from the VIN pin, so care
must be taken concerning VIN pin input impedance*1.
2. S-1701 Series D/ E/ F types
The S-1701 Series D/ E/ F types provide a regulator block standby mode realized by an ON/OFF function
that is active high. The internal circuit of the detector operates in the standby mode, so only the current that
the detector consumes flows.
The SENSE pin is connected to the VOUT pin, which is an output of the regulator, in the internal circuit of the
detector block, so the output voltage of the regulator (VOUT) is monitored and a reset signal is output from the
VDOUT pin*2. The built-in counter timer allows selection of the release delay time from three settings (D: No
delay (60 µs), E: 50 ms, F: 100 ms).
The power supply is shared by the regulator block and detector block and supplied from the VIN pin, so care
must be taken concerning the VIN pin input impedance*1.
3. S-1701 Series G/ H/ J types
The S-1701 Series G/ H/ J types provide a regulator block standby mode realized by an ON/OFF function
that is active low. The internal circuit of the detector operates in the standby mode, so only the current that
the detector consumes flows.
The SENSE pin is connected to the VIN pin in the internal circuit of the detector block, so the voltage applied
to the VIN pin is monitored and a reset signal is output from the VDOUT pin. The built-in counter timer allows
selection of the release delay time from three settings (G: No delay (60 µs), H: 50 ms, J: 100 ms).
The power supply is shared by the regulator block and detector block and supplied from the VIN pin, so care
must be taken concerning the VIN pin input impedance*1.
4. S-1701 Series K/ L/ M types
The S-1701 Series K/ L/ M types provide a regulator block standby mode realized by an ON/OFF function
that is active low. The internal circuit of the detector operates in the standby mode, so only the current that
the detector consumes flows.
The SENSE pin is connected to the VOUT pin, which is an output of the regulator in the internal circuit of the
detector block, so the output voltage of the regulator (VOUT) is monitored and a reset signal is output from the
VDOUT pin*2. The built-in counter timer allows selection of the release delay time from three settings (K: No
delay (60 µs), L: 50 ms, M: 100 ms).
The power supply is shared by the regulator block and detector block and supplied from the VIN pin, so care
must be taken concerning the VIN pin input impedance*1.
44
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
5. S-1701 Series N/ P/ Q types
The S-1701 Series N/ P/ Q types do not provide an ON/OFF function because the ON/OFF pin is connected
to the VIN pin in the circuit.
The detector block features the external SENSE pin, which allows monitoring of other power supplies. The
SENSE pin is configured only by a resistor, so instantaneous current such as through-type current does not
flow through this pin. This allows precise monitoring of the input power supply by connecting the SENSE pin
to the input power supply even when a resistor (RIN) is connected between the input power supply and the
VIN pin. The built-in counter timer allows selection of the release delay time from three settings (N: No delay
(60 µs), P: 50 ms, Q: 100 ms).
The power supply is shared by the regulator block and detector block and supplied from the VIN pin, so care
must be taken concerning the VIN pin input impedance*1.
6. S-1701 Series R/ S/ T types
In the S-1701 Series R/ S/ T types, the VDOUT pin, which is the output pin of the detector, is connected to
the ON/OFF pin of the regulator in the circuit. This allows setting of the regulator to the standby mode at the
same time as the VDOUT pin outputs a RESET signal.
The detector block features an external SENSE pin, which allows monitoring of other power supplies. The
SENSE pin is configured only by a resistor, so instantaneous current such as through-type current does not
flow through this pin. This allows precise monitoring of the input power supply by connecting the SENSE pin
to the input power supply even when a resistor (RIN) is connected between the input power supply and the
VIN pin. The built-in counter timer allows selection of the release delay time from three settings (R: No delay
(60 µs), S: 50 ms, T: 100 ms).
The power supply is shared by the regulator block and detector block and supplied from the VIN pin, so care
must be taken concerning the VIN pin input impedance*1.
7. S-1701 Series U/ V/ W types
The S-1701 Series U/ V/ W types do not provide an ON/OFF function because the ON/OFF pin is connected
to the VIN pin in the circuit.
The SENSE pin is connected to the VOUT pin, which is an output pin of the regulator, in the internal circuit of
the detector block, so the output voltage of the regulator (VOUT) is monitored and a reset signal is output from
the VDOUT pin*2. The built-in counter timer allows selection of the release delay time from three settings (U:
No delay (60 µs), V: 50 ms, W: 100 ms).
The power supply is shared by the regulator block and detector block and supplied from the VIN pin, so care
must be taken concerning the VIN pin input impedance*1.
8. S-1701 Series X/ Y/ Z types
The S-1701 Series X/ Y/ Z types do not provide an ON/OFF function because the ON/OFF pin is connected
to the VIN pin in the circuit.
The SENSE pin is connected to the VIN pin in the internal circuit of the detector block, so the voltage applied
to the VIN pin is monitored and a reset signal is output from the VDOUT pin. The built-in counter timer allows
selection of the release delay time from three settings (X: No delay (60 µs), Y: 50 ms, Z: 100 ms).
The power supply is shared by the regulator block and detector block and supplied from the VIN pin, so care
must be taken concerning the VIN pin input impedance*1.
Seiko Instruments Inc.
45
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
*1. In S-1701 series, when connecting the resistance RIN between an input power supply pin and a VIN pin, and
defining the current which flows into RIN as IIN, VIN pin voltage falls by ∆VIN = IIN×RIN at the time of overload,
and changes by ∆VIN = IIN×RIN at the time of load change. Thereby, keep in mind that phenomena, such as
output voltage falls and an output oscillation, occur.
*2. If the input voltage or load current changes transiently, an undershoot or overshoot occurs in the output
voltage of the regulator. In the product types in which the output voltage of the regulator is detected by the
detector, if the output voltage is the detection voltage or lower due to the undershoot, the detector operates
and a reset signal may be output. To prevent this, set the value of the input-and-output capacitor of a
regulator so that the undershoot is the minimum value or set a voltage range that allows the difference
between the output voltage and detection voltage to be equal to or greater than the undershoot.
46
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Precautions
• Wiring patterns for the VIN, VOUT and GND pins should be designed so that the impedance is low.
When mounting an output capacitor between the VOUT and VSS pins (CL) and a capacitor for stabilizing
the input between the VIN and VSS pins (CIN), the distance from the capacitors to these pins should be
as short as possible.
• Note that the output voltage may increase when a series regulator is used at low load current (1.0 mA or
less).
• Generally, a series regulator may cause oscillation depending on the selection of external parts. The
following conditions are recommended for this IC. However, be sure to perform sufficient evaluation
under the actual usage conditions for selection, including evaluation of temperature characteristics.
Input capacitor (CIN):
1.0 µF or more
1.0 µF or more
Output capacitor (CL):
Equivalent series resistance (ESR): 10 Ω or less
• The voltage regulator may oscillate when the impedance of the power supply is high and the input
capacitor is small or an input capacitor is not connected.
• The application conditions for the input voltage, output voltage, and load current should not exceed the
package power dissipation.
• Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in
electrostatic protection circuit.
• In determining the output current, attention should be paid to the output current value specified in Tables
25 to 30 in the electrical characteristics and footnote *7 of the table.
• SII claims no responsibility for any disputes arising out of or in connection with any infringement by
products including this IC of patents owned by a third party.
Seiko Instruments Inc.
47
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Application Circuit
If the desired detection voltage range is other than those provided by the S-1701 Series, the detection voltage
can be changed by using a divided resistor or diode in the SENSE pin products (N/ P/ Q/ R/ S/ T types) as
shown in Figures 38 and 39.
In the case shown in Figure 38, the hysteresis width also changes at the same time.
1. Changing detection voltage using divided resistors
VDD
VDD
Ra*1
(Ra ≤ 75 kΩ)
SENSE
S-1701 Series
N to T types
VDOUT
Rb
VSS
Ra + Rb
• −VDET
Rb
Ra + Rb
• VHYS
Hysteresis width =
Rb
Detection voltage =
*1. Set Ra to 75 kΩ or lower to prevent oscillation.
Figure 38
Caution If Ra and Rb are larger, the hysteresis may be greater than the result of the above
formula due to the through current of the IC.
2. Changing detection voltage using diode
VDD
VDD
Vf1
Vf2
SENSE
S-1701 Series
N to T types
VDOUT
VSS
Detection voltage = Vf1 + Vf2 + (−VDET)
Figure 39
Caution
48
The above connection diagrams (Figures 38 and 39) and constants will not
guarantee successful operation. Perform thorough evaluation using the actual
application to set the constants.
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Characteristics (Typical Data)
1. Regulator block
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.0 V
3.5 V
VOUT [V]
VOUT [V]
(1) Output voltage vs. Output current (when load current increases)
S-1701x15xx (VOUT = 1.5 V, Ta = 25 °C)
S-1701x30xx (VOUT = 3.0 V, Ta = 25 °C)
2.5 V
VIN = 1.8 V
6.5 V
0
200
400
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
6.5 V
4.0 V
3.5 V
5.0 V
0
800
600
VIN = 3.3 V
400
200
IOUT [mA]
600
800
IOUT [mA]
S-1701x50xx (VOUT = 5.0 V, Ta = 25 °C)
6
VOUT [V]
5
6.5 V
4
VIN = 5.3 V
3
5.5 V
2
6.0 V
1
0
0
400
200
600
800
Remark In determining the output current,
attention should be paid to the following.
1) The minimum output current value
and footnote *7 in Table 25 to 30 in
the “Electrical Characteristics”.
2) The package power dissipation
IOUT [mA]
S-1701x30xx (VOUT = 3.0 V, Ta = 25 °C)
1.60
3.10
1.55
3.05
VOUT [V]
VOUT [V]
(2) Output voltage vs. Input voltage
S-1701x15xx (VOUT = 1.5 V, Ta = 25 °C)
1.50
IOUT = 1 mA
30 mA
100 mA
1.45
1.40
1.0
1.5
2.0
2.5
3.0
3.5
3.00
IOUT = 1 mA
30 mA
100 mA
2.95
2.90
2.5
VIN [V]
3.0
3.5
4.0
4.5
5.0
VIN [V]
VOUT [V]
S-1701x50xx (VOUT = 5.0 V, Ta = 25 °C)
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
4.5
IOUT = 1 mA
30 mA
100 mA
5.0
5.5
6.0
6.5
7.0
VIN [V]
Seiko Instruments Inc.
49
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
(3) Dropout voltage vs. Output current
S-1701x15xx (VOUT = 1.5 V)
S-1701x30xx (VOUT = 3.0 V)
1.2
25 °C
0.8
Ta = 85 °C
Vdrop [V]
Vdrop [V]
1.0
0.6
–40 °C
0.4
0.2
0
0
50 100 150 200 250 300 350 400 450
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
25 °C
Ta = 85 °C
−40 °C
0
50 100 150 200 250 300 350 400 450
IOUT [mA]
IOUT [mA]
S-1701x50xx (VOUT = 5.0 V)
0.6
Vdrop [V]
0.5
25 °C
0.4
Ta = 85 °C
0.3
−40 °C
0.2
0.1
0
0
50 100 150 200 250 300 350 400 450
IOUT [mA]
S-1701x30xx (VOUT = 3.0 V, IOUT = 30 mA)
1.7
3.2
1.6
3.1
VOUT [V]
VOUT [V]
(4) Output voltage vs. Ambient temperature
S-1701x15xx (VOUT = 1.5 V, IOUT = 30 mA)
1.5
1.4
1.3
−40 −25
3.0
2.9
0
25
50
75 85
2.8
−40 −25
Ta [°C]
5.2
VOUT [V]
5.1
5.0
4.9
0
25
50
75 85
Ta [°C]
50
25
Ta [°C]
S-1701x50xx (VOUT = 5.0 V, IOUT = 30 mA)
4.8
−40 −25
0
Seiko Instruments Inc.
50
75 85
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
90
80
70
60
50
40
30
20
10
0
S-1701x30xx (VOUT = 3.0 V)
25 °C
Ta = 85 °C
–40 °C
ISS [µA]
ISS [µA]
(5) Current consumption vs. Input voltage
S-1701x15xx (VOUT = 1.5 V)
0
1
2
4
3
5
6
7
90
80
70
60
50
40
30
20
10
0
−40 °C
25 °C
Ta = 85 °C
0
2
1
VIN [V]
3
4
6
5
7
VIN [V]
ISS [µA]
S-1701x50xx (VOUT = 5.0 V)
90
80
70
60
50
40
30
20
10
0
25 °C
−40 °C
Ta = 85 °C
0
1
2
3
4
5
6
7
VIN [V]
(6) Ripple rejection ratio
S-1701x15xx (VOUT = 1.5 V, Ta = 25 °C)
S-1701x30xx (VOUT = 3.0 V, Ta = 25 °C)
VIN = 2.5 V, COUT = 1.0 µF, IOUT = 30 mA
VIN = 4.0 V, COUT = 1.0 µF, IOUT = 30 mA
100
Ripple Rejection [dB]
Ripple Rejection [dB]
100
80
60
40
20
0
10
100
1k
10k
100k
1M
80
60
40
20
0
10
Frequency [Hz]
100
1k
10k
100k
1M
Frequency [Hz]
S-1701x50xx (VOUT = 5.0 V, Ta = 25 °C)
VIN = 6.0 V, COUT = 1.0 µF, IOUT = 30 mA
Ripple Rejection [dB]
100
80
60
40
20
0
10
100
1k
10k
100k
1M
Frequency [Hz]
Seiko Instruments Inc.
51
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
2. Detector block
(1) Detection voltage vs. Ambient temperature
S-1701xxx15 (−VDET = 1.5 V)
1.70
6.2
1.65
6.0
1.60
1.55
1.50
–VDET
1.45
1.40
–40 –25
+VDET
5.8
+VDET
VDET [V]
VDET [V]
S-1701xxx55 (−VDET = 5.5 V)
5.6
5.4
–VDET
5.2
5.0
25
0
75 85
50
–40 –25
Ta [°C]
VHYS [%]
75 85
50
75 85
S-1701xxx55 (−VDET = 5.5 V)
VHYS [%]
25
0
50
Ta [°C]
(2) Hysteresis width vs. Ambient temperature
S-1701xxx15 (−VDET = 1.5 V)
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
−40 −25
25
0
75 85
50
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
−40 −25
25
0
Ta [°C]
Ta [°C]
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
25 °C
Ta = 85 °C
−40 °C
0
1
2
3
4
5
6
ISSD [µA]
ISSD [µA]
(3) Detector block current consumption vs. Input voltage
S-1701xxx15 (−VDET = 1.5 V)
S-1701xxx55 (−VDET = 5.5 V)
7
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
Ta = 85 °C
25 °C
−40 °C
0
VIN [V]
25
5.0 V
IDOUT [mA]
20
4.0 V
3.0 V
10
2.0 V
5
VIN = 1.4 V
0
0
52
1
2
3
VDS [V]
2
3
VIN [V]
(4) Nch transistor output current vs. VDS characteristics
S-1701xxx55 (−VDET = 5.5 V, Ta = 25 °C)
15
1
4
5
6
Seiko Instruments Inc.
4
5
6
7
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
100
90
80
70
60
50
40
30
20
10
0
−40 −25
S-1701xxx55 (VIN = 5.5 V, −VDET = 5.5 V, tD = 100 ms)
tD [ms]
tD [ms]
(5) Release delay time vs. Ambient temperature
S-1701xxx15 (VIN = 1.5 V, −VDET = 1.5 V, tD = 50 ms)
25
0
50
75 85
200
180
160
140
120
100
80
60
40
20
0
−40 −25
0
Ta [°C]
25
50
75 85
Ta [°C]
tD [µs]
S-1701xxx45 (VIN = 4.5 V, −VDET = 4.5 V, tD = 60 µs)
100
90
80
70
60
50
40
30
20
10
0
−40 −25
25
0
50
75 85
Ta [°C]
(6) Minimum operating voltage vs. Input voltage
S-1701xxx15 (5 V pull up: 100 kΩ, −VDET = 1.5 V)
0.6
5
0.5
4
0.4
Ta = 85 °C
25 °C
−40 °C
3
2
VDOUT [V]
VDOUT [V]
S-1701xxx15 (VIN pull up: 100 kΩ, −VDET = 1.5 V)
6
1
0.3
Ta = 85 °C
25 °C
−40 °C
0.2
0.1
0
0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
VIN [V]
0.2
0.4
0.6
0.8
1.0
1.2
1.4
VIN [V]
Seiko Instruments Inc.
53
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Reference Data
(1) Input transient response characteristics
S-1701x15xx (VIN = 2.5 V ↔ 3.5 V, VOUT =1.5 V, Ta = 25 °C)
–40 –20 0
20
40
60 80
S-1701x30xx (VIN = 4.0 V ↔ 5.0 V, VOUT = 3.0 V, Ta = 25 °C)
IOUT = 100 mA, tr = tf = 5.0 µs, COUT = 1.0 µF, CIN = 1.0 µF
3.08
3.02
3.00
5.0
VIN
3.04
4.0
3.0
VOUT
2.0
2.98
1.0
2.96
–40 –20
100 120 140 160 180
6.0
VIN [V]
VOUT [V]
3.06
VIN [V]
VOUT [V]
IOUT = 100 mA, tr = tf = 5.0 µs, COUT = 1.0 µF, CIN = 1.0 µF
1.62
4.0
1.60
3.5
1.58
3.0
VIN
1.56
2.5
1.54
2.0
1.52
1.5
VOUT
1.50
1.0
1.48
0.5
1.46
0
20 40
0
t [µs]
0
60 80 100 120 140 160 180
t [µs]
VOUT [V]
IOUT = 100 mA, tr = tf = 5.0 µs, COUT = 1.0 µF, CIN = 1.0 µF
5.12
8.0
5.10 V
7.0
IN
5.08
6.0
5.06
5.0
5.04
4.0
5.02
3.0
VOUT
5.00
2.0
4.98
1.0
4.96
0
–40 –20 0
20
40
60 80
VIN [V]
S-1701x50xx (VIN = 6.0 V ↔ 6.5 V, VOUT = 5.0 V, Ta = 25 °C)
100 120 140 160 180
t [µs]
(2) Load transient response characteristics
S-1701x15xx (VOUT =1.5 V, Ta = 25 °C)
S-1701x30xx (VOUT = 3.0 V, Ta = 25 °C)
VIN = 2.5 V, tr = tf = 5.0 µs, COUT = 1.0 µF, CIN = 1.0 µF, IOUT = 50↔100 mA
VIN = 4.0 V, tr = tf = 5.0 µs, COUT = 1.0 µF, CIN = 1.0 µF, IOUT = 50↔100 mA
1.60
1.55
1.50
0
3.15
50
3.10
−50
1.45
−20
3.20
100
0
VOUT
1.40
150
20
40
60
80
100
120
3.05
3.00
−10
2.95
0
2.90
140 160
VIN = 6.0 V, tr = tf = 5.0 µs, COUT = 1.0 µF, CIN = 1.0 µF, IOUT = 50↔100 mA
150
IOUT
100
5.10
5.05
50
0
VOUT
5.00
−50
4.95
−10
4.90
−20
0
20
40
60
80
100
120
IOUT [mA]
VOUT [V]
5.15
0
140 160
t [µs]
54
0
VOUT
−50
−10
0
20
40
60
80
t [µs]
S-1701x50xx (VOUT = 5.0 V, Ta = 25 °C)
5.20
100
50
−20
t [µs]
150
IOUT
Seiko Instruments Inc.
100
120
0
140 160
IOUT [mA]
IOUT
VOUT [V]
VOUT [V]
1.65
IOUT [mA]
1.70
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
(3) ON/OFF pin transient response characteristics
S-1701x15xx (VOUT = 1.5 V, Ta = 25 °C)
S-1701x30xx (VOUT = 3.0 V, Ta = 25 °C)
5
3
1
2
0
1
−1
VOUT
VOUT [V]
2
VON/OFF
3
VON/OFF [V]
VOUT [V]
4
−2
0
−1
VIN = 4.0 V, tr = tf = 5.0 µs, COUT = 1.0 µF, CIN = 1.0 µF, IOUT = 100 mA
−10
0
10
20
30
40
50
60
70
80
−3
7
6
5
4
3
2
1
0
−1
VON/OFF
VOUT
−10
90
6
4
2
0
−2
−4
−6
0
10
20
30
t [µs]
40
50
60
70
80
VON/OFF [V]
VIN = 2.5 V, tr = tf = 5.0 µs, COUT = 1.0 µF, CIN = 1.0 µF, IOUT = 100 mA
90
t [µs]
S-1701x50xx (VOUT = 5.0 V, Ta = 25 °C)
VIN = 6.0 V, tr = tf = 5.0 µs, COUT = 1.0 µF, CIN = 1.0 µF, IOUT = 100 mA
9
VOUT [V]
7
3
VON/OFF
5
0
3
−3
VOUT
1
−1
−10
0
VON/OFF [V]
6
−6
10
20
30
40
50
60
70
80
90
t [µs]
(4) Dynamic response characteristics vs. COUT
S-1701xxx15 (VIN pull up: 100 kΩ, −VDET = 1.5 V, Ta = 25 °C)
S-1701xxx55 (VIN pull up: 100 kΩ, −VDET = 5.5 V, Ta = 25 °C)
100
1000
tPLH
Response time [ms]
Response time [ms]
1000
10
1
0.1
tPHL
0.01
0.001
0.00001 0.0001
0.001
0.01
0.1
100
tPLH
10
1
0.1
0.01
tPHL
0.001
0.00001 0.0001
CDOUT [µF]
0.001
0.01
0.1
CDOUT [µF]
Seiko Instruments Inc.
55
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
(a) Measurement conditions of dynamic response vs. COUT
1 µs
1 µs
VIH
Input voltage
VIL
tPHL
tPLH
VIN
VIN×90%
Output voltage
VIN×10%
VIH = 6.5 V, VIL = 1.3 V
Figure 40
(b) Measurement circuit of the dynamic response for S-1701 Series A/ B/ C/ G/ H/ J/ X/ Y/ Z types
+
Set to
power off.
(ON/OFF)
VDOUT
VIN
VOUT
VSS
100 kΩ
+
V
V
Figure 41
(c) Measurement circuit of the dynamic response for S-1701 Series D/ E/ F/ K/ L/ M/ U/ V/ W types
VIN
VOUT
(ON/OFF)
VDOUT
VSS
+
V
+
100 kΩ
V
Set to
power off.
Figure 42
(d) Measurement circuit of the dynamic response for S-1701 Series N/ P/ Q/ R/ S/ T types
VIN
+
SENSE
VDOUT
VOUT
VSS
100 kΩ
+
V
V
Figure 43
Caution The above connection diagrams will not guarantee successful operation.
thorough evaluation using the actual application to set the constants.
56
Seiko Instruments Inc.
Perform
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
Marking Specifications
(1) SOT-23-5
SOT-23-5
Top view
5
4
(1) to (3):
(4):
Product code (Refer to Product name vs. Product code)
Lot number
(1) (2) (3) (4)
1
2
3
Product name vs. Product code
(b) S-1701 Series B type
Product Code
Product Code
Product Name
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701A1815-M5T1G
P
6
A
S-1701B1815-M5T1G
P
6
R
S-1701A2520-M5T1G
P
6
B
S-1701B2520-M5T1G
P
6
S
S-1701A2521-M5T1G
P
6
C
S-1701B2521-M5T1G
P
6
T
S-1701A2522-M5T1G
P
6
D
S-1701B2522-M5T1G
P
6
U
S-1701A2728-M5T1G
P
6
Q
S-1701B3024-M5T1G
P
6
V
S-1701A2825-M5T1G
T
B
A
S-1701B3025-M5T1G
P
6
W
S-1701A3024-M5T1G
P
6
E
S-1701B3026-M5T1G
P
6
X
S-1701A3025-M5T1G
P
6
F
S-1701B3326-M5T1G
P
6
Y
S-1701A3026-M5T1G
P
6
G
S-1701B3327-M5T1G
P
6
Z
S-1701A3326-M5T1G
P
6
H
S-1701B3328-M5T1G
P
6
3
S-1701A3327-M5T1G
P
6
I
S-1701B3430-M5T1G
P
8
Y
S-1701A3328-M5T1G
P
6
J
S-1701B5040-M5T1G
P
6
4
S-1701A3330-M5T1G
P
6
P
S-1701B5041-M5T1G
P
6
5
S-1701A3331-M5T1G
T
B
C
S-1701B5042-M5T1G
P
6
6
S-1701A3430-M5T1G
P
6
K
S-1701B5043-M5T1G
P
6
7
S-1701A5040-M5T1G
P
6
L
S-1701A5041-M5T1G
P
6
M
S-1701A5042-M5T1G
P
6
N
S-1701A5043-M5T1G
P
6
O
Remark Please contact the SII marketing department for products with specifications other than the above.
(a) S-1701 Series A type
Seiko Instruments Inc.
57
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
(c) S-1701 Series C type
(d) S-1701 Series D type
Product Code
(1)
(2)
(3)
S-1701C1815-M5T1G
S-1701D1815-M5T1G
P
V
A
S-1701C2520-M5T1G
S-1701D2520-M5T1G
P
V
B
S-1701C2521-M5T1G
S-1701D2521-M5T1G
P
V
C
S-1701C2522-M5T1G
S-1701D2522-M5T1G
P
V
D
S-1701C3024-M5T1G
S-1701D2523-M5T1G
P
V
P
S-1701C3025-M5T1G
S-1701D2524-M5T1G
P
V
Q
S-1701C3026-M5T1G
S-1701D2526-M5T1G
P
V
R
S-1701C3326-M5T1G
S-1701D2722-M5T1G
P
V
S
S-1701C3327-M5T1G
S-1701D3024-M5T1G
P
V
E
S-1701C3328-M5T1G
S-1701D3025-M5T1G
P
V
F
S-1701C3430-M5T1G
S-1701D3026-M5T1G
P
V
G
S-1701C5040-M5T1G
S-1701D3326-M5T1G
P
V
H
S-1701C5041-M5T1G
S-1701D3327-M5T1G
P
V
I
S-1701C5042-M5T1G
S-1701D3328-M5T1G
P
V
J
S-1701C5043-M5T1G
S-1701D3330-M5T1G
T
C
A
S-1701D3430-M5T1G
P
V
O
S-1701D5040-M5T1G
P
V
K
S-1701D5041-M5T1G
P
V
L
S-1701D5042-M5T1G
P
V
M
S-1701D5043-M5T1G
P
V
N
Remark Please contact the SII marketing department for products with specifications other than the above.
Product Name
Product Code
(1)
(2)
(3)
P
9
A
P
9
B
P
9
C
P
9
D
P
9
E
P
9
F
P
9
G
P
9
H
P
9
I
P
9
J
P
9
K
P
9
L
P
9
M
P
9
N
P
9
O
Product Name
(e) S-1701 Series E type
(f) S-1701 Series F type
Product Code
Product Code
Product Name
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701E1815-M5T1G
P
V
T
S-1701F1815-M5T1G
P
W
F
S-1701E2520-M5T1G
P
V
U
S-1701F2520-M5T1G
P
W
G
S-1701E2521-M5T1G
P
V
V
S-1701F2521-M5T1G
P
W
H
S-1701E2522-M5T1G
P
V
W
S-1701F2522-M5T1G
P
W
I
S-1701E2722-M5T1G
P
W
C
S-1701F2722-M5T1G
P
W
U
S-1701E3024-M5T1G
P
V
X
S-1701F3024-M5T1G
P
W
J
S-1701E3025-M5T1G
P
V
Y
S-1701F3025-M5T1G
P
W
K
S-1701E3026-M5T1G
P
V
Z
S-1701F3026-M5T1G
P
W
L
S-1701E3326-M5T1G
P
V
3
S-1701F3326-M5T1G
P
W
M
S-1701E3327-M5T1G
P
V
4
S-1701F3327-M5T1G
P
W
N
S-1701E3328-M5T1G
P
V
5
S-1701F3328-M5T1G
P
W
O
S-1701E3330-M5T1G
P
W
B
S-1701F3430-M5T1G
P
W
T
S-1701E3430-M5T1G
P
W
A
S-1701F5040-M5T1G
P
W
P
S-1701E5040-M5T1G
P
V
6
S-1701F5041-M5T1G
P
W
Q
S-1701E5041-M5T1G
P
V
7
S-1701F5042-M5T1G
P
W
R
S-1701E5042-M5T1G
P
V
8
S-1701F5043-M5T1G
P
W
S
S-1701E5043-M5T1G
P
V
9
Remark Please contact the SII marketing department for products with specifications other than the above.
58
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
(g) S-1701 Series G type
(h) S-1701 Series N type
Product Code
(1)
(2)
(3)
S-1701G2524-M5T1G
S-1701N1515-M5T1G
P
W
Y
S-1701G3331-M5T1G
S-1701N1815-M5T1G
P
W
Z
S-1701N1827-M5T1G
P
W
9
S-1701N2515-M5T1G
P
W
3
S-1701N2715-M5T1G
P
W
4
S-1701N3015-M5T1G
P
W
5
S-1701N3315-M5T1G
P
W
6
S-1701N5015-M5T1G
P
W
7
Remark Please contact the SII marketing department for products with specifications other than the above.
Product Name
Product Code
(1)
(2)
(3)
T
A
N
T
A
O
Product Name
(i) S-1701 Series P type
(j) S-1701 Series Q type
Product Code
Product Code
Product Name
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701P1515-M5T1G
P
X
I
S-1701Q1515-M5T1G
P
X
Z
S-1701P1815-M5T1G
P
X
J
S-1701Q1815-M5T1G
P
X
3
S-1701P2515-M5T1G
P
X
K
S-1701Q2515-M5T1G
P
X
4
S-1701P2715-M5T1G
P
X
L
S-1701Q2715-M5T1G
P
X
5
S-1701P3015-M5T1G
P
X
M
S-1701Q3015-M5T1G
P
X
6
S-1701P3315-M5T1G
P
X
N
S-1701Q3315-M5T1G
P
X
7
S-1701P5015-M5T1G
P
X
O
S-1701Q5015-M5T1G
P
X
8
Remark Please contact the SII marketing department for products with specifications other than the above.
(k) S-1701 Series R type
(l) S-1701 Series S type
Product Code
Product Code
Product Name
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701R1515-M5T1G
P
Y
E
S-1701S1515-M5T1G
P
Y
Q
S-1701R1815-M5T1G
P
Y
F
S-1701S1815-M5T1G
P
Y
R
S-1701R2515-M5T1G
P
Y
G
S-1701S2515-M5T1G
P
Y
S
S-1701R2715-M5T1G
P
Y
H
S-1701S2715-M5T1G
P
Y
T
S-1701R3015-M5T1G
P
Y
I
S-1701S3015-M5T1G
P
Y
U
S-1701R3315-M5T1G
P
Y
J
S-1701S3315-M5T1G
P
Y
V
S-1701R5015-M5T1G
P
Y
K
S-1701S5015-M5T1G
P
Y
W
Remark Please contact the SII marketing department for products with specifications other than the above.
(m) S-1701 Series T type
(n) S-1701 Series U type
Product Code
(1)
(2)
(3)
S-1701T1515-M5T1G
S-1701U1815-M5T1G
P
Z
R
S-1701T1815-M5T1G
S-1701U2520-M5T1G
P
Z
S
S-1701T2515-M5T1G
S-1701U2521-M5T1G
P
Z
T
S-1701T2715-M5T1G
S-1701U2522-M5T1G
P
Z
U
S-1701T3015-M5T1G
S-1701U3024-M5T1G
P
Z
V
S-1701T3315-M5T1G
S-1701U3025-M5T1G
P
Z
W
S-1701T3325-M5T1G
S-1701U3026-M5T1G
P
Z
X
S-1701T5015-M5T1G
S-1701U3326-M5T1G
P
Z
Y
S-1701U3327-M5T1G
P
Z
Z
S-1701U3328-M5T1G
P
Z
3
S-1701U3430-M5T1G
P
Z
8
S-1701U5040-M5T1G
P
Z
4
S-1701U5041-M5T1G
P
Z
5
S-1701U5042-M5T1G
P
Z
6
S-1701U5043-M5T1G
P
Z
7
Remark Please contact the SII marketing department for products with specifications other than the above.
Product Name
Product Code
(1)
(2)
(3)
P
Z
A
P
Z
B
P
Z
C
P
Z
D
P
Z
E
P
Z
F
P
Z
H
P
Z
G
Product Name
Seiko Instruments Inc.
59
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
(o) S-1701 Series V type
(p) S-1701 Series W type
Product Code
Product Code
Product Name
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701V1815-M5T1G
P
7
E
S-1701W1815-M5T1G
P
7
X
S-1701V2520-M5T1G
P
7
F
S-1701W2520-M5T1G
P
7
Y
S-1701V2521-M5T1G
P
7
G
S-1701W2521-M5T1G
P
7
Z
S-1701V2522-M5T1G
P
7
H
S-1701W2522-M5T1G
P
7
3
S-1701V3024-M5T1G
P
7
I
S-1701W3024-M5T1G
P
7
4
S-1701V3025-M5T1G
P
7
J
S-1701W3025-M5T1G
P
7
5
S-1701V3026-M5T1G
P
7
K
S-1701W3026-M5T1G
P
7
6
S-1701V3326-M5T1G
P
7
L
S-1701W3326-M5T1G
P
7
7
S-1701V3327-M5T1G
P
7
M
S-1701W3327-M5T1G
P
7
8
S-1701V3328-M5T1G
P
7
N
S-1701W3328-M5T1G
P
7
9
S-1701V3430-M5T1G
P
7
S
S-1701W3430-M5T1G
P
8
E
S-1701V5040-M5T1G
P
7
O
S-1701W5040-M5T1G
P
8
A
S-1701V5041-M5T1G
P
7
P
S-1701W5041-M5T1G
P
8
B
S-1701V5042-M5T1G
P
7
Q
S-1701W5042-M5T1G
P
8
C
S-1701V5043-M5T1G
P
7
R
S-1701W5043-M5T1G
P
8
D
Remark Please contact the SII marketing department for products with specifications other than the above.
(q) S-1701 Series X type
(r) S-1701 Series Y type
Product Code
Product Code
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701X2219-M5T1G
P
8
K
S-1701Y3228-M5T1G
P
8
O
S-1701X3228-M5T1G
P
8
J
Remark Please contact the SII marketing department for products with specifications other than the above.
Product Name
(s) S-1701 Series Z type
Product Code
(1)
(2)
(3)
S-1701Z3228-M5T1G
P
8
T
Remark Please contact the SII marketing department for products with specifications other than the above.
Product Name
60
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
(2) SOT-89-5
SOT-89-5
Top view
1
(1) to (3): Product code (refer to Product name vs. Product code)
(4) to (6): Lot number
(4) (5) (6)
4
(1) (2) (3)
5
2
3
Product name vs. Product code
(a) S-1701 Series A type
(b) S-1701 Series B type
Product Code
(1)
(2)
(3)
S-1701A1815-U5T1G
S-1701B1815-U5T1G
P
6
R
S-1701A2520-U5T1G
S-1701B2520-U5T1G
P
6
S
S-1701A2521-U5T1G
S-1701B2521-U5T1G
P
6
T
S-1701A2522-U5T1G
S-1701B2522-U5T1G
P
6
U
S-1701A3024-U5T1G
S-1701B3024-U5T1G
P
6
V
S-1701A3025-U5T1G
S-1701B3025-U5T1G
P
6
W
S-1701A3026-U5T1G
S-1701B3026-U5T1G
P
6
X
S-1701A3326-U5T1G
S-1701B3326-U5T1G
P
6
Y
S-1701A3327-U5T1G
S-1701B3327-U5T1G
P
6
Z
S-1701A3328-U5T1G
S-1701B3328-U5T1G
P
6
3
S-1701A3430-U5T1G
S-1701B3342-U5T1G
P
6
8
S-1701A5040-U5T1G
S-1701B3430-U5T1G
P
8
Y
S-1701A5041-U5T1G
S-1701B5040-U5T1G
P
6
4
S-1701A5042-U5T1G
S-1701B5041-U5T1G
P
6
5
S-1701A5043-U5T1G
S-1701B5042-U5T1G
P
6
6
S-1701B5043-U5T1G
P
6
7
Remark Please contact the SII marketing department for products with specifications other than the above.
Product Name
Product Code
(1)
(2)
(3)
P
6
A
P
6
B
P
6
C
P
6
D
P
6
E
P
6
F
P
6
G
P
6
H
P
6
I
P
6
J
P
6
K
P
6
L
P
6
M
P
6
N
P
6
O
Product Name
(c) S-1701 Series C type
(d) S-1701 Series D type
Product Code
Product Code
Product Name
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701C1815-U5T1G
P
9
A
S-1701D1815-U5T1G
P
V
A
S-1701C2520-U5T1G
P
9
B
S-1701D2520-U5T1G
P
V
B
S-1701C2521-U5T1G
P
9
C
S-1701D2521-U5T1G
P
V
C
S-1701C2522-U5T1G
P
9
D
S-1701D2522-U5T1G
P
V
D
S-1701C3024-U5T1G
P
9
E
S-1701D3024-U5T1G
P
V
E
S-1701C3025-U5T1G
P
9
F
S-1701D3025-U5T1G
P
V
F
S-1701C3026-U5T1G
P
9
G
S-1701D3026-U5T1G
P
V
G
S-1701C3326-U5T1G
P
9
H
S-1701D3326-U5T1G
P
V
H
S-1701C3327-U5T1G
P
9
I
S-1701D3327-U5T1G
P
V
I
S-1701C3328-U5T1G
P
9
J
S-1701D3328-U5T1G
P
V
J
S-1701C3430-U5T1G
P
9
K
S-1701D3430-U5T1G
P
V
O
S-1701C5040-U5T1G
P
9
L
S-1701D5040-U5T1G
P
V
K
S-1701C5041-U5T1G
P
9
M
S-1701D5041-U5T1G
P
V
L
S-1701C5042-U5T1G
P
9
N
S-1701D5042-U5T1G
P
V
M
S-1701C5043-U5T1G
P
9
O
S-1701D5043-U5T1G
P
V
N
Remark Please contact the SII marketing department for products with specifications other than the above.
Seiko Instruments Inc.
61
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
(e) S-1701 Series E type
(f) S-1701 Series F type
Product Code
Product Code
Product Name
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701E1815-U5T1G
P
V
T
S-1701F1815-U5T1G
P
W
F
S-1701E2520-U5T1G
P
V
U
S-1701F2520-U5T1G
P
W
G
S-1701E2521-U5T1G
P
V
V
S-1701F2521-U5T1G
P
W
H
S-1701E2522-U5T1G
P
V
W
S-1701F2522-U5T1G
P
W
I
S-1701E3024-U5T1G
P
V
X
S-1701F3024-U5T1G
P
W
J
S-1701E3025-U5T1G
P
V
Y
S-1701F3025-U5T1G
P
W
K
S-1701E3026-U5T1G
P
V
Z
S-1701F3026-U5T1G
P
W
L
S-1701E3326-U5T1G
P
V
3
S-1701F3326-U5T1G
P
W
M
S-1701E3327-U5T1G
P
V
4
S-1701F3327-U5T1G
P
W
N
S-1701E3328-U5T1G
P
V
5
S-1701F3328-U5T1G
P
W
O
S-1701E3430-U5T1G
P
W
A
S-1701F3430-U5T1G
P
W
T
S-1701E5040-U5T1G
P
V
6
S-1701F5040-U5T1G
P
W
P
S-1701E5041-U5T1G
P
V
7
S-1701F5041-U5T1G
P
W
Q
S-1701E5042-U5T1G
P
V
8
S-1701F5042-U5T1G
P
W
R
S-1701E5043-U5T1G
P
V
9
S-1701F5043-U5T1G
P
W
S
Remark Please contact the SII marketing department for products with specifications other than the above.
(g) S-1701 Series H type
(h) S-1701 Series N type
Product Code
(1)
(2)
(3)
S-1701H5045-U5T1G
S-1701N1515-U5T1G
P
W
Y
S-1701N1815-U5T1G
P
W
Z
S-1701N2515-U5T1G
P
W
3
S-1701N2715-U5T1G
P
W
4
S-1701N3015-U5T1G
P
W
5
S-1701N3315-U5T1G
P
W
6
S-1701N5015-U5T1G
P
W
7
Remark Please contact the SII marketing department for products with specifications other than the above.
Product Name
Product Code
(1)
(2)
(3)
T
A
A
Product Name
(i) S-1701 Series P type
(j) S-1701 Series Q type
Product Code
Product Code
Product Name
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701P1515-U5T1G
P
X
I
S-1701Q1515-U5T1G
P
X
Z
S-1701P1815-U5T1G
P
X
J
S-1701Q1815-U5T1G
P
X
3
S-1701P2515-U5T1G
P
X
K
S-1701Q2515-U5T1G
P
X
4
S-1701P2715-U5T1G
P
X
L
S-1701Q2715-U5T1G
P
X
5
S-1701P3015-U5T1G
P
X
M
S-1701Q3015-U5T1G
P
X
6
S-1701P3315-U5T1G
P
X
N
S-1701Q3315-U5T1G
P
X
7
S-1701P5015-U5T1G
P
X
O
S-1701Q5015-U5T1G
P
X
8
Remark Please contact the SII marketing department for products with specifications other than the above.
(k) S-1701 Series R type
(l) S-1701 Series S type
Product Code
Product Code
Product Name
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701R1515-U5T1G
P
Y
E
S-1701S1515-U5T1G
P
Y
Q
S-1701R1815-U5T1G
P
Y
F
S-1701S1815-U5T1G
P
Y
R
S-1701R2515-U5T1G
P
Y
G
S-1701S2515-U5T1G
P
Y
S
S-1701R2715-U5T1G
P
Y
H
S-1701S2715-U5T1G
P
Y
T
S-1701R3015-U5T1G
P
Y
I
S-1701S3015-U5T1G
P
Y
U
S-1701R3315-U5T1G
P
Y
J
S-1701S3315-U5T1G
P
Y
V
S-1701R5015-U5T1G
P
Y
K
S-1701S5015-U5T1G
P
Y
W
Remark Please contact the SII marketing department for products with specifications other than the above.
62
Seiko Instruments Inc.
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.2.4_00
S-1701 Series
(m) S-1701 Series T type
(n) S-1701 Series U type
Product Code
(1)
(2)
(3)
S-1701T1515-U5T1G
S-1701U1815-U5T1G
P
Z
R
S-1701T1815-U5T1G
S-1701U2520-U5T1G
P
Z
S
S-1701T2515-U5T1G
S-1701U2521-U5T1G
P
Z
T
S-1701T2715-U5T1G
S-1701U2522-U5T1G
P
Z
U
S-1701T3015-U5T1G
S-1701U3024-U5T1G
P
Z
V
S-1701T3315-U5T1G
S-1701U3025-U5T1G
P
Z
W
S-1701T5015-U5T1G
S-1701U3026-U5T1G
P
Z
X
S-1701U3326-U5T1G
P
Z
Y
S-1701U3327-U5T1G
P
Z
Z
S-1701U3328-U5T1G
P
Z
3
S-1701U3430-U5T1G
P
Z
8
S-1701U5040-U5T1G
P
Z
4
S-1701U5041-U5T1G
P
Z
5
S-1701U5042-U5T1G
P
Z
6
S-1701U5043-U5T1G
P
Z
7
Remark Please contact the SII marketing department for products with specifications other than the above.
Product Name
Product Code
(1)
(2)
(3)
P
Z
A
P
Z
B
P
Z
C
P
Z
D
P
Z
E
P
Z
F
P
Z
G
Product Name
(o) S-1701 Series V type
(p) S-1701 Series W type
Product Code
Product Code
Product Name
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701V1815-U5T1G
P
7
E
S-1701W1815-U5T1G
P
7
X
S-1701V2520-U5T1G
P
7
F
S-1701W2520-U5T1G
P
7
Y
S-1701V2521-U5T1G
P
7
G
S-1701W2521-U5T1G
P
7
Z
S-1701V2522-U5T1G
P
7
H
S-1701W2522-U5T1G
P
7
3
S-1701V3024-U5T1G
P
7
I
S-1701W3024-U5T1G
P
7
4
S-1701V3025-U5T1G
P
7
J
S-1701W3025-U5T1G
P
7
5
S-1701V3026-U5T1G
P
7
K
S-1701W3026-U5T1G
P
7
6
S-1701V3326-U5T1G
P
7
L
S-1701W3326-U5T1G
P
7
7
S-1701V3327-U5T1G
P
7
M
S-1701W3327-U5T1G
P
7
8
S-1701V3328-U5T1G
P
7
N
S-1701W3328-U5T1G
P
7
9
S-1701V3430-U5T1G
P
7
S
S-1701W3430-U5T1G
P
8
E
S-1701V5040-U5T1G
P
7
O
S-1701W5040-U5T1G
P
8
A
S-1701V5041-U5T1G
P
7
P
S-1701W5041-U5T1G
P
8
B
S-1701V5042-U5T1G
P
7
Q
S-1701W5042-U5T1G
P
8
C
S-1701V5043-U5T1G
P
7
R
S-1701W5043-U5T1G
P
8
D
Remark Please contact the SII marketing department for products with specifications other than the above.
(q) S-1701 Series X type
(r) S-1701 Series Y type
Product Code
Product Code
Product Name
Product Name
(1)
(2)
(3)
(1)
(2)
(3)
S-1701X3228-U5T1G
P
8
J
S-1701Y3228-U5T1G
P
8
O
S-1701X3330-U5T1G
P
8
L
S-1701Y3330-U5T1G
P
8
S
Remark Please contact the SII marketing department for products with specifications other than the above.
(s) S-1701 Series Z type
Product Code
(1)
(2)
(3)
S-1701Z3228-U5T1G
P
8
T
Remark Please contact the SII marketing department for products with specifications other than the above.
Product Name
Seiko Instruments Inc.
63
2.9±0.2
1.9±0.2
4
5
1
2
+0.1
0.16 -0.06
3
0.95±0.1
0.4±0.1
No. MP005-A-P-SD-1.2
TITLE
No.
SOT235-A-PKG Dimensions
MP005-A-P-SD-1.2
SCALE
UNIT
mm
Seiko Instruments Inc.
4.0±0.1(10 pitches:40.0±0.2)
+0.1
ø1.5 -0
2.0±0.05
+0.2
ø1.0 -0
0.25±0.1
4.0±0.1
1.4±0.2
3.2±0.2
3 2 1
4
5
Feed direction
No. MP005-A-C-SD-2.1
TITLE
SOT235-A-Carrier Tape
No.
MP005-A-C-SD-2.1
SCALE
UNIT
mm
Seiko Instruments Inc.
12.5max.
9.0±0.3
Enlarged drawing in the central part
ø13±0.2
(60°)
(60°)
No. MP005-A-R-SD-1.1
SOT235-A-Reel
TITLE
No.
MP005-A-R-SD-1.1
SCALE
QTY.
UNIT
mm
Seiko Instruments Inc.
3,000
4.5±0.1
1.5±0.1
1.6±0.2
5
1
4
2
3
1.5±0.1 1.5±0.1
0.4±0.05
0.3
0.4±0.1
0.4±0.1
45°
0.45±0.1
No. UP005-A-P-SD-1.1
TITLE
SOT895-A-PKG Dimensions
UP005-A-P-SD-1.1
No.
SCALE
UNIT
mm
Seiko Instruments Inc.
4.0±0.1(10 pitches : 40.0±0.2)
ø1.5 +0.1
-0
2.0±0.05
5° max.
ø1.5 +0.1
-0
0.3±0.05
8.0±0.1
2.0±0.1
4.75±0.1
3 2 1
4
5
Feed direction
No. UP005-A-C-SD-1.1
TITLE
SOT895-A-Carrier Tape
UP005-A-C-SD-1.1
No.
SCALE
UNIT
mm
Seiko Instruments Inc.
16.5max.
13.0±0.3
Enlarged drawing in the central part
(60°)
(60°)
No. UP005-A-R-SD-1.1
TITLE
SOT895-A-Reel
No.
UP005-A-R-SD-1.1
SCALE
QTY.
UNIT
mm
Seiko Instruments Inc.
1,000
•
•
•
•
•
•
The information described herein is subject to change without notice.
Seiko Instruments Inc. is not responsible for any problems caused by circuits or diagrams described herein
whose related industrial properties, patents, or other rights belong to third parties. The application circuit
examples explain typical applications of the products, and do not guarantee the success of any specific
mass-production design.
When the products described herein are regulated products subject to the Wassenaar Arrangement or other
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Use of the information described herein for other purposes and/or reproduction or copying without the
express permission of Seiko Instruments Inc. is strictly prohibited.
The products described herein cannot be used as part of any device or equipment affecting the human
body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus
installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc.
Although Seiko Instruments Inc. exerts the greatest possible effort to ensure high quality and reliability, the
failure or malfunction of semiconductor products may occur. The user of these products should therefore
give thorough consideration to safety design, including redundancy, fire-prevention measures, and
malfunction prevention, to prevent any accidents, fires, or community damage that may ensue.

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