NJRC NJU7708 Voltage detector with delay function Datasheet

NJU7708/09
VOLTAGE DETECTOR with Delay Function
GENERAL DESCRIPTION
The NJU7708/09 is a low quiescent current voltage
detector with delay function featuring high precision
detection voltage.
The detection voltage is fixed internally with an accuracy
of 1.0%.
NJU7708 is Nch. Open Drain and NJU7709 of output
circuit form is a C-MOS output.
PACKAGE OUTLINE
NJU7708/09F
FEATURES
High Precision detection Voltage
±1.0%
Low Quiescent Current
1.3µA
Detection Voltage Range
1.5 ∼ 6.0V(0.1V step)
Adjustable Delay Time (D1/D2 2bit control) 0ms/50ms/100ms/200ms
Output Circuit Form
NJU7708: Nch. Open Drain Type
NJU7709: C-MOS Output Type
CMOS Technology
Package Outline
SOT-23-5 (MTP5)
PIN CONFIGURATION
5
4
1 2 3
NJU7708/09F
PIN FUNCTION
1. D1
2. VSS
3. D2
4. VOUT
5. VDD
DETECTION VOLTAGERANK LIST
Device Name
VDET
NJU7708/09F15
1.5V
NJU7708/09F27
2.7V
NJU7708/09F42
4.2V
NJU7708/09F06
6.0V
Logical Table of Delay Time
D1
D2
DELAY
H
H
0mS
H
L
50mS
L
H
100mS
L
L
200mS
Ver.2004-03-09
-1-
NJU7708/09
EQUIVALENT CIRCUIT
NJU7708
NJU7709
VDD
Delay Circuit
Vref
V OUT
V OUT
Delay Circuit
Vref
V SS
D1
-2-
D2
D1
D2
Ver.2004-03-09
NJU7708/09
NJU7708
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Input Voltage
VDD
Output Voltage
VOUT
Output Current
IOUT
Power Dissipation
PD
Operating Temperature
Topr
Storage Temperature
Tstg
RATINGS
+10
VSS-0.3 ∼ +10
50
200
-40 ∼ +85
-40 ∼ +125
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Detection Voltage
VDET
TEST CONDITION
Hysterisis Voltage
VHYS
Quiescent Current
ISS
VDD=VDET+1V
Output Current
IOUT
Nch,VDS=0.5V
Output Leak Current
Detection Voltage
Temperature
Coefficient
ILEAK
VDD=VOUT=9V
Delay Time
(Ta=25°C)
UNIT
V
V
mA
mW
°C
°C
VDET=1.5V ∼ 1.9V Version
VDET=2.0V ∼ 6.0V Version
VDD=1.2V
VDD=2.4V (≥2.7V Version)
∆VDET/∆Ta Ta=0 ∼ +85°C
td
Delay Time control
Voltage
VD1_H/ VD2_H
VD1_L/ VD2_L
Operating Voltage
(*note 1)
VDD
VDD=VDET+1V,
RL=100kΩ
D1=H, D2=H
D1=H, D2=L
D1=L, D2=H
D1=L, D2=L
(Ta=25°C)
MAX. UNIT
+1.0%
V
MIN.
-1.0%
TYP.
70
90
130
V
−
−
0.75
4.5
−
1.0
1.3
2.0
7.0
−
1.7
2.2
−
−
0.1
µA
µA
mA
mA
µA
−
±100
−
ppm/°C
25
42.5
85
170
1.5
0
100
50
100
200
−
−
300
57.5
115
230
VDD
0.3
µS
mS
mS
mS
V
V
0.7
−
9
V
−
(*note 1): The minimum Operating Voltage(VOPL) indicates the same value of the output voltage(VOUT) on
condition that VOUT becomes 10% or less of the input voltage(VDD).
Ver.2004-03-09
-3-
NJU7708/09
TEST CIRCUIT
Quiescent Current TEST CIRCUIT
Detection Voltage
/Minimum Operating Voltage TEST CIRCUIT
ISS A
V DD
V OUT
V DD
NJM7708
V DD
D2
V SS
V OUT
V
NJM7708
D1
RL
V DET /
V OPL
D1
Leak Current/Output Current TEST CIRCUIT
V
D2
V SS
Delay Time=0mS TEST CIRCUIT
Oscilloscope
RL
IOUT /
ILEAK
V DD
V OUT
V DD
A
V DD
NJM7708
V DD
D1
V SS
V OUT /
V DS
D2
V DD
V DD
V SS
D2
Delay Time=100mS TEST CIRCUIT
D1
-4-
V SS
ch1
Oscilloscope
RL
ch2
V DD
V OUT
V DD
NJM7708
D2
ch2
V OUT
Oscilloscope
RL
ch1
NJM7708
D1
Delay Time=50mS TEST CIRCUIT
V OUT
ch1
ch2
V OUT
NJM7708
D1
V SS
D2
Ver.2004-03-09
NJU7708/09
Delay Time=200mS TEST CIRCUIT
Oscilloscope
RL
V DD
V DD
ch1
ch2
V OUT
NJM7708
D1
D2
V SS
TYPICAL APPLICATION
1 Power Supply Voltage Supervisory Circuit
V DD
RL
V DD
V OUT
Reset Signal
INPUT
NJM7708
Micro-Processor
etc
D1
V SS
D2
2 Power Supply Voltage Supervisory Circuit (Another Power Supply to Micro-Processor)
V DD1
V DD2
V DD
V OUT
NJM7708
RL
Reset Signal
INPUT
Micro-Processor
etc
D1
Ver.2004-03-09
V SS
D2
-5-
NJU7708/09
NJU7709
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Input Voltage
VDD
Output Voltage
VOUT
Output Current
IOUT
Power Dissipation
PD
Operating Temperature
Topr
Storage Temperature
Tstg
RATINGS
+10
VSS-0.3 ∼ +10
50
200
-40 ∼ +85
-40 ∼ +125
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Detection Voltage
VDET
Hysterisis Voltage
VHYS
Quiescent Current
ISS
TEST CONDITION
VDD=VDET+1V
Nch, VDS=0.5V
Output Current
IOUT
Pch, VDS=0.5V
Detection Voltage
Temperature
Coefficient
Delay Time
Delay Time control
Voltage
Operating Voltage
(*note 2)
(Ta=25°C)
UNIT
V
V
mA
mW
°C
°C
MIN.
-1.0%
70
VDET=1.5V ∼ 1.9V Version
−
VDET=2.0V ∼ 6.0V Version
−
VDD=1.2V
0.75
4.0
VDD=2.4V(≥2.7V Version)
2.0
VDD=4.8V(≤3.9V Version)
VDD=6.0V(4.0V∼5.6V Version) 2.5
3.0
VDD=8.4V (≥5.7V Version)
−
90
1.0
1.3
2.0
7.0
3.5
4.0
5.0
−
±100
−
ppm/°C
25
42.5
85
170
100
50
100
200
300
57.5
115
230
µS
mS
mS
mS
VD1_H/ VD2_H
1.5
−
VDD
V
VD1_L/ VD2_L
0
−
0.3
V
0.8
−
9
V
∆VDET/∆Ta
td
VDD
Ta=0 ∼ +85°C
TYP.
(Ta=25°C)
MAX. UNIT
+1.0%
V
130
V
1.7
µA
2.2
µA
mA
−
mA
−
mA
−
mA
−
mA
−
VDD=VDET+1V,
RL=100kΩ
D1=H, D2=H
D1=H, D2=L
D1=L, D2=H
D1=L, D2=L
(*note 2): The minimum Operating Voltage(VOPL) indicates the same value of the output voltage(VOUT) on
condition that VOUT becomes 10% or less of the input voltage(VDD).
-6-
Ver.2004-03-09
NJU7708/09
TEST CIRCUIT
Quiescent Current TEST CIRCUIT
Detection Voltage TEST CIRCUIT
ISS A
V DD
V DET /
V OPL
V OUT
NJM7709
D1
V SS
V DD
V OUT
V
NJM7709
V DD
D2
D1
Nch Output Current TEST CIRCUIT
V
V OUT
D2
V SS
Pch Output Current TEST CIRCUIT
V DS
IOUT
V DD
V OUT
V DD
A
NJM7709
V DD
D1
NJM7709
V DD
D2
V SS
V DS
D1
Delay Time=0mS TEST CIRCUIT
V OUT
V SS
IOUT
D2
Delay Time=50mS TEST CIRCUIT
Oscilloscope
ch1
V DD
V DD
D1
Ver.2004-03-09
V SS
Oscilloscope
ch2
ch1
V DD
V OUT
V DD
NJM7709
D2
A
ch2
V OUT
NJM7709
D1
V SS
D2
-7-
NJU7708/09
Delay Time=100mS TEST CIRCUIT
Delay Time=200mS TEST CIRCUIT
Oscilloscope
ch1
V DD
V DD
ch2
ch1
V DD
V OUT
V DD
NJM7709
D1
Oscilloscope
D2
V SS
ch2
V OUT
NJM7709
D1
V SS
D2
Minimum Operating Voltage TEST CIRCUIT
RL
V OPL
V DD
V OUT
V
NJM7709
V DD
D1
V
V OUT
D2
V SS
TYPICAL APPLICATION
1Power Supply Voltage Supervisory Circuit
V DD
V DD
V OUT
NJM7709
Reset Signal
INPUT
Micro-Processor
etc
D1
-8-
V SS
D2
Ver.2004-03-09
NJU7708/09
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
Ver.2004-03-09
-9-
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