150 mA Ultra Low Current LDO Linear Voltage Regulator

NCP4681, NCP4684
150 mA, Ultra Low
Quiescent Current, Low
Dropout Regulator
The NCP4681 and NCP4684 are CMOS Linear voltage regulators
with 150 mA output current capability and ultra low supply currents
(1 mA typ.) The devices are easy to use and include output current
protection and a fully integrated soft−start circuit to minimize inrush
current and to ensure no output voltage overshoot. The NCP4681
includes an Enable function to reduce supply current by using a
Standby mode, while the NCP4684 excludes the Enable pin to avoid
any pull down current, thereby offering the lowest possible current
consumption for battery powered applications in Active mode. For
portable products the devices are available in the exceptionally small
0.8 x 0.8 mm XDFN, along with the SC−70 and SOT23 packages
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MARKING
DIAGRAMS
SC−70
CASE 419A
XXX
XMM
1
Features
•
•
•
•
•
•
•
•
•
•
•
Operating Input Voltage Range: 1.40 V to 5.25 V
Output Voltage Range: 0.8 V to 3.6 V (available in 0.1 V steps)
Output Voltage Accuracy: ±1.0%
Supply Current: 1 mA (excluding the CE pull down current)
Dropout Voltage: 0.28 V (IOUT = 150 mA, VOUT = 2.8 V)
Line Regulation: 0.02%/V Typ.
Stable with Ceramic Capacitors: 0.1 mF or more
Current Fold Back Protection
Build−in Constant Slope Circuit for soft−start function
Available in XDFN4 0.8 x 0.8 mm, SC−70, SOT23 Packages
These are Pb−Free Devices
XXXMM
SOT−23−5
CASE 1212
1
XDFN4
CASE 711AB
1
XM
M
1
X, XXXX= Specific Device Code
MM
= Date Code
Typical Applications
•
•
•
•
Battery−powered Equipment
Networking and Communication Equipment
Cameras, DVRs, STB and Camcorders
Home Appliances
NCP4681x
VIN
VIN
C1
100n
CE
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 15 of this data sheet.
VOUT
GND
NCP4684
VIN
VOUT
VIN
C1
100n
C2
100n
VOUT
VOUT
GND
C2
100n
Figure 1. Typical Application Schematics
© Semiconductor Components Industries, LLC, 2013
September, 2013 − Rev. 3
1
Publication Order Number:
NCP4681/D
NCP4681, NCP4684
VIN
VOUT VIN
Vref
Vref
Current Limit
CE
VOUT
CE
Current Limit
GND
GND
NCP4681Hxxxx
NCP4681Dxxxx
VIN
VOUT
Vref
Current Limit
NC
GND
NCP4684xxxx
Figure 2. Simplified Schematic Block Diagram
PIN FUNCTION DESCRIPTION
Pin No.
XDFN0808*
Pin No.
SC−70
Pin No.
SOT23
Pin Name
1
4
5
VOUT
Output pin
2
3
2
GND
Ground
3
1
3
CE/NC
4
5
1
VIN
Input pin
−
2
4
NC
No connection
Description
Chip enable pin (Active “H”) / No connection (NCP4684)
*Tab is GND level. (They are connected to the reverse side of this IC.
The tab is better to be connected to the GND, but leaving it open is also acceptable.
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2
NCP4681, NCP4684
ABSOLUTE MAXIMUM RATINGS
Rating
Symbol
Value
Unit
VIN
6.0
V
Output Voltage
VOUT
−0.3 to VIN + 0.3
V
Chip Enable Input
VCE
6.0
V
Output Current
IOUT
180
mA
PD
286
mW
Input Voltage (Note 1)
Power Dissipation XDFN0808
Power Dissipation SC−70
380
Power Dissipation SOT23
420
Junction Temperature
TJ
−40 to 150
°C
Storage Temperature
TSTG
−55 to 125
°C
ESD Capability, Human Body Model (Note 2)
ESDHBM
2000
V
ESD Capability, Machine Model (Note 2)
ESDMM
200
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Refer to ELECTRICAL CHARACTERISTIS and APPLICATION INFORMATION for Safe Operating Area.
2. This device series incorporates ESD protection and is tested by the following methods:
ESD Human Body Model tested per AEC−Q100−002 (EIA/JESD22−A114)
ESD Machine Model tested per AEC−Q100−003 (EIA/JESD22−A115)
Latch−up Current Maximum Rating tested per JEDEC standard: JESD78.
THERMAL CHARACTERISTICS
Rating
Symbol
Value
Unit
Thermal Characteristics, XDFN 0.8 x 0.8 mm
Thermal Resistance, Junction−to−Air
RqJA
350
°C/W
Thermal Characteristics, SOT23
Thermal Resistance, Junction−to−Air
RqJA
238
°C/W
Thermal Characteristics, SC−70
Thermal Resistance, Junction−to−Air
RqJA
263
°C/W
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NCP4681, NCP4684
ELECTRICAL CHARACTERISTICS
−40°C ≤ TA ≤ 85°C; VIN = VOUT(NOM) + 1 V or 2.5 V, whichever is greater; IOUT = 1 mA, CIN = COUT = 0.1 mF, unless otherwise noted.
Typical values are at TA = +25°C.
Parameter
Test Conditions
Symbol
Min
Max
Unit
(Note 3)
VIN
1.40
5.25
V
VOUT
x0.99
x1.01
V
VOUT < 2.0 V
−20
20
mV
VOUT ≥ 2.0 V
x0.970
x1.025
V
VOUT < 2.0 V
−60
60
mV
Operating Input Voltage
Output Voltage
TA = +25°C
VOUT ≥ 2.0 V
−40°C ≤ TA ≤ 85°C
Output Voltage Temp. Coefficient
Typ
−40°C ≤ TA ≤ 85°C
DVOUT/DTA
±100
Line Regulation
VOUT(NOM) + 0.5 V ≤ VIN ≤ 5.0 V
LineReg
0.02
0.10
%/V
Load Regulation
IOUT = 1 mA to 150 mA
LoadReg
0
20
mV
0.96
1.40
V
0.9 V ≤ VOUT < 1.0 V
0.87
1.25
1.0 V ≤ VOUT < 1.2 V
0.78
1.15
1.2 V ≤ VOUT < 1.4 V
0.64
1.00
1.4 V ≤ VOUT < 1.7 V
0.52
0.80
1.7 V ≤ VOUT < 2.0 V
0.40
0.60
2.0 V ≤ VOUT < 2.5 V
0.32
0.48
2.5 V ≤ VOUT < 3.0 V
0.28
0.40
3.0 V ≤ VOUT < 3.6 V
0.25
0.35
Dropout Voltage
IOUT = 150 mA
0.8 V ≤ VOUT < 0.9 V
Output Current
Short Current Limit
CE Pin Threshold Voltage
(NCP4681 only)
CE Pull Down Current
Power Supply Rejection Ratio
Output Noise Voltage
Low Output Nch Tr. On Resistance
150
mA
ISC
50
IQ
1
2
mA
VCE = 0 V, TA = 25°C, NCP4681 only
ISTB
0.1
1.0
mA
CE Input Voltage “H”
VCEH
CE Input Voltage “L”
VCEL
NCP4681 only
ICEPD
0.3
mA
VOUT = 1.5 V, VIN = 2.5 V, DVIN = 0.2 Vpk−pk,
IOUT = 30 mA, f = 1 kHz
PSRR
25
dB
f = 10 Hz to 100 kHz, VOUT = 1.5 V, VIN = 2.5 V,
IOUT = 30 mA
VN
100
mVrms
VIN = 4 V, VCE = 0 V, NCP4681D only
RLOW
60
W
Quiescent Current
Standby Current
VDO
IOUT
VOUT = 0 V
−20
ppm/°C
mA
V
1.0
0.4
3. The maximum Input Voltage of the Electrical Characteristics is 5.25 V. In case of exceeding this specification, the IC must be operated n
condition that the Input Voltage is up to 5.50 V and total operation time is within 500 hours.
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NCP4681, NCP4684
TYPICAL CHARACTERISTICS
1.8
3.0
1.6
2.0
VOUT (V)
VIN = 1.8 V
1.0
5.25 V
0.8
1.9 V
0.6
0
50
100
150
200
250
300
350
0
400
100
150
200
250
300
350
IOUT (mA)
Figure 4. Output Voltage vs. Output Current
2.5 V Version (TJ = 255C)
400
0.6
0.5
3.6 V
2.5
5.25 V
2.0
VIN = 4.5 V
25°C
3.5 V
0.4
VDO (V)
VOUT (V)
50
IOUT (mA)
3.0
1.5
0.3
TJ = 85°C
0.20
1.0
−40°C
0.1
0.5
0
50
100
150
200
250
300
350
0
400
0
25
50
75
100
125
IOUT (mA)
IOUT (mA)
Figure 5. Output Voltage vs. Output Current
3.3 V Version (TJ = 255C)
Figure 6. Dropout Voltage vs. Output Current
1.5 V Version
0.35
150
0.30
0.30
0.25
25°C
0.25
25°C
0.20
0.20
VDO (V)
VDO (V)
0
Figure 3. Output Voltage vs. Output Current
1.5 V Version (TJ = 255C)
3.5
TJ = 85°C
0.15
0.15
TJ = 85°C
0.10
−40°C
0.10
−40°C
0.05
0.05
0
2.9 V
1.5
0.5
0.2
0
2.8 V
VIN = 4.5 V
1.0
0.4
0
5.25 V
3.5 V
1.2
VOUT (V)
2.5
2.5 V
1.4
0
25
50
75
IOUT (mA)
100
125
0
150
Figure 7. Dropout Voltage vs. Output Current
2.5 V Version
0
25
50
75
IOUT (mA)
100
125
Figure 8. Dropout Voltage vs. Output Current
3.3 V Version
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5
150
NCP4681, NCP4684
TYPICAL CHARACTERISTICS
1.55
2.52
1.51
2.51
VOUT (V)
VOUT (V)
2.53
1.52
1.50
1.49
2.50
2.49
1.48
2.48
1.47
2.47
1.46
2.46
−20
0
20
40
60
2.45
−40
80
−20
40
60
80
Figure 9. Output Voltage vs. Temperature,
1.5 V Version
Figure 10. Output Voltage vs. Temperature,
2.5 V Version
2.0
VIN = 4.3 V
1.8
1.6
3.32
1.4
3.31
1.2
IGND (mA)
3.33
3.30
3.29
3.3 V
0.8
0.6
3.27
0.4
3.26
0.2
0.0
80
2.5 V
1.0
3.28
−20
0
20
40
60
TJ, JUNCTION TEMPERATURE (°C)
VOUT = 1.5 V
0
Figure 11. Output Voltage vs. Temperature,
3.3 V Version
3.0
1
5
1.6
VIN = VOUT + 1
1.4
1.2
VOUT (V)
2.0
1.5
VOUT = 1.5 V,
2.5 V, 3.3 V
1.0
2
3
4
VIN, INPUT VOLTAGE (V)
Figure 12. Supply Current vs. Input Voltage
2.5
IGND (mA)
20
TJ, JUNCTION TEMPERATURE (°C)
3.34
30 mA
1 mA
1.0
IOUT = 50 mA
0.8
0.6
0.4
0.5
0.0
−40
0
TJ, JUNCTION TEMPERATURE (°C)
3.35
3.25
−40
VIN = 3.5 V
2.54
1.53
1.45
−40
VOUT (V)
2.55
VIN = 2.5 V
1.54
0.2
−20
0
20
40
60
0.0
80
0
1
2
3
4
5
TJ, JUNCTION TEMPERATURE (°C)
VIN, INPUT VOLTAGE (V)
Figure 13. Supply Current vs. Temperature
Figure 14. Output Voltage vs. Input Voltage,
1.5 V Version
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NCP4681, NCP4684
TYPICAL CHARACTERISTICS
3.0
3.5
2.5
3.0
2.5
VOUT (V)
VOUT (V)
2.0
1.5
30 mA
1 mA
1.0
1.5
1 mA
1.0
IOUT = 50 mA
0.5
0
2.0
0
1
30 mA
IOUT = 50 mA
0.5
2
3
4
VIN, INPUT VOLTAGE (V)
0
5
0
1
60
60
50
50
40
40
IOUT = 1 mA
30
30 mA
20
IOUT = 1 mA
30
30 mA
20
150 mA
150 mA
10
10
0
0.1
5
Figure 16. Output Voltage vs. Input Voltage,
3.3 V Version
PSRR (dB)
PSRR (dB)
Figure 15. Output Voltage vs. Input Voltage,
2.5 V Version
2
3
4
VIN, INPUT VOLTAGE (V)
1
10
FREQUENCY (kHz)
100
0
1000
0.1
Figure 17. PSRR, 1.5 V Version, VIN = 2.5 V
1
10
100
FREQUENCY (kHz)
1000
1
10
FREQUENCY (kHz)
1000
Figure 18. PSRR, 2.5 V Version, VIN = 3.5 V
4.0
60
3.5
50
40
VN (mVrms/√Hz)
PSRR (dB)
3.0
IOUT = 1 mA
30
20
30 mA
150 mA
2.0
1.5
1.0
10
0
0.1
2.5
0.5
1
10
100
0
0.01
1000
FREQUENCY (kHz)
Figure 19. PSRR, 3.3 V Version, VIN = 4.3 V
0.1
100
Figure 20. Output Voltage Noise, 1.5 V Version,
VIN = 2.5 V, IOUT = 30 mA
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NCP4681, NCP4684
TYPICAL CHARACTERISTICS
8.0
10
7.0
9.0
8.0
VN (mVrms/√Hz)
5.0
4.0
3.0
2.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
1.0
0
0.01
0.1
1
10
FREQUENCY (kHz)
100
1000
0
0.01
Figure 21. Output Voltage Noise, 2.5 V Version,
VIN = 3.5 V, IOUT = 30 mA
0.1
1
10
FREQUENCY (kHz)
3.5
3.0
VIN (V)
VOUT (V)
2.5
1.8
1.7
1.6
1.5
1.4
1.3
1.2
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
t (ms)
Figure 23. Line Transients, 1.5 V Version,
tR = tF = 5 ms, IOUT = 30 mA
5.0
4.5
4.0
3.5
VIN (V)
2.8
2.7
2.6
2.5
2.4
2.3
2.2
0
0.1
0.2
0.3
0.4
100
1000
Figure 22. Output Voltage Noise, 3.3 V Version,
VIN = 4.3 V, IOUT = 30 mA
4.0
VOUT (V)
VN (mVrms/√Hz)
6.0
0.5
0.6
0.7
0.8
0.9
t (ms)
Figure 24. Line Transients, 2.5 V Version,
tR = tF = 5 ms, IOUT = 30 mA
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1.0
NCP4681, NCP4684
TYPICAL CHARACTERISTICS
5.8
5.3
4.8
VIN (V)
VOUT (V)
4.3
3.6
3.5
3.4
3.3
3.2
3.1
3.0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
t (ms)
Figure 25. Line Transients, 3.3 V Version,
tR = tF = 5 ms, IOUT = 30 mA
150
100
50
2.1
IOUT (mA)
VOUT (V)
0
1.9
1.7
1.5
1.3
1.1
0.9
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
t (ms)
Figure 26. Load Transients, 1.5 V Version,
IOUT = 50 – 100 mA, tR = tF = 0.5 ms, VIN = 2.5 V
150
100
50
3.1
IOUT (mA)
VOUT (V)
0
2.9
2.7
2.5
2.3
2.1
1.9
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
t (ms)
Figure 27. Load Transients, 2.5 V Version,
IOUT = 50 – 100 mA, tR = tF = 0.5 ms, VIN = 3.5 V
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NCP4681, NCP4684
TYPICAL CHARACTERISTICS
150
100
50
3.7
IOUT (mA)
VOUT (V)
0
3.5
3.3
3.1
2.9
2.7
2.5
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
t (ms)
Figure 28. Load Transients, 3.3 V Version,
IOUT = 50 – 100 mA, tR = tF = 0.5 ms, VIN = 4.3 V
150
100
50
3.0
IOUT (mA)
VOUT (V)
0
2.5
2.0
1.5
1.0
0.5
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
t (ms)
Figure 29. Load Transients, 1.5 V Version,
IOUT = 1 – 100 mA, tR = tF = 0.5 ms, VIN = 2.5 V
150
100
50
4.0
IOUT (mA)
VOUT (V)
0
3.5
3.0
2.5
2.0
1.5
1.0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
t (ms)
Figure 30. Load Transients, 2.5 V Version,
IOUT = 1 – 100 mA, tR = tF = 0.5 ms, VIN = 3.5 V
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1.0
NCP4681, NCP4684
TYPICAL CHARACTERISTICS
150
100
50
4.3
IOUT (mA)
VOUT (V)
0
3.8
3.3
2.8
2.3
1.8
1.3
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
t (ms)
Figure 31. Load Transients, 3.3 V Version,
IOUT = 1 – 100 mA, tR = tF = 0.5 ms, VIN = 4.3 V
45
30
15
2.1
IOUT (mA)
VOUT (V)
0
1.9
1.7
1.5
1.3
1.1
0.9
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
t (ms)
Figure 32. Load Transients, 1.5 V Version,
IOUT = 1 – 30 mA, tR = tF = 0.5 ms, VIN = 2.5 V
45
30
15
IOUT (mA)
VOUT (V)
0
3.1
2.9
2.7
2.5
2.3
2.1
1.9
0
0.1
0.2
0.3
0.4
0.5 0.6
t (ms)
0.7
0.8
0.9
Figure 33. Load Transients, 2.5 V Version,
IOUT = 1 – 30 mA, tR = tF = 0.5 ms, VIN = 2.5 V
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1.0
NCP4681, NCP4684
TYPICAL CHARACTERISTICS
45
30
15
3.7
IOUT (mA)
VOUT (V)
0
3.5
3.3
3.1
2.9
2.7
2.5
0
0.1
0.2
0.3
0.4
0.5 0.6
t (ms)
0.7
0.8
0.9
1.0
Figure 34. Load Transients, 3.3 V Version,
IOUT = 1 – 30 mA, tR = tF = 0.5 ms, VIN = 4.3 V
3
Chip Enable
2
1
2.0
IOUT = 150 mA
1.5
1.0
IOUT = 30 mA
0.5
IOUT = 1 mA
0
−0.5
VCE (V)
VOUT (V)
0
0
40
80
120 160 200 240 280 320 360 400
t (ms)
Figure 35. Start−up, 1.5 V Version NCP4681x,
VIN = 2.5 V
4.5
Chip Enable
3.0
1.5
2.5
VCE (V)
VOUT (V)
0
2.0
1.5
IOUT = 150 mA
1.0
IOUT = 30 mA
0.5
IOUT = 1 mA
0
−0.5
0
40
80
120 160 200 240 280 320 360 400
t (ms)
Figure 36. Start−up, 2.5 V Version NCP4681x,
VIN = 3.5 V
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NCP4681, NCP4684
TYPICAL CHARACTERISTICS
6
Chip Enable
4
2
VCE (V)
VOUT (V)
0
4.0
3.0
IOUT = 150 mA
2.0
IOUT = 30 mA
1.0
0
IOUT = 1 mA
−1.0
0
40
80
120 160 200 240 280 320 360 400
t (ms)
Figure 37. Start−up, 3.3 V Version NCP4681x,
VIN = 4.3 V
3
2
1
0
VCE (V)
VOUT (V)
Chip Enable
2.0
1.5
IOUT = 1 mA
1.0
IOUT = 30 mA
0.5
0
−0.5
IOUT = 150 mA
0
10
20
30
40
50
60
70
80
90
100
t (ms)
Figure 38. Shutdown, 1.5 V Version NCP4681D,
VIN = 2.5 V
4.5
3.0
1.5
0
2.5
2.0
VCE (V)
VOUT (V)
Chip Enable
IOUT = 1 mA
1.5
IOUT = 30 mA
1.0
0.5
0
−0.5
IOUT = 150 mA
0
10
20
30
40
50
60
70
80
90
100
t (ms)
Figure 39. Shutdown, 2.5 V version NCP4681D,
VIN = 3.5 V
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NCP4681, NCP4684
TYPICAL CHARACTERISTICS
6
4
2
0
VCE (V)
VOUT (V)
Chip Enable
4.0
3.0
IOUT = 1 mA
IOUT = 30 mA
2.0
1.0
0
IOUT = 150 mA
−1.0
0
10
20
30
40
50 60
t (ms)
70
80
90
100
Figure 40. Shutdown, 3.3 V Version NCP4681D,
VIN = 4.3 V
APPLICATION INFORMATION
output and ground pins. Larger capacitor values and lower
ESR improves dynamic parameters.
A typical application circuits for NCP4681 and NCP4684
series are shown in Figure 41.
VIN
NCP4681x
VIN
C1
100n
CE
Enable Operation (NCP4681 Only)
VOUT
The enable pin CE may be used for turning the regulator
on and off. The IC is switched on when a high level voltage
is applied to the CE pin. The enable pin has an internal pull
down current source. If the enable function is not needed
connect CE pin to VIN.
VOUT
GND
C2
100n
Constant Slope Circuit
NCP4684
VIN
VIN
C1
100n
The constant slope circuit is used as a soft start circuit that
allows the output voltage to start up slowly with a defined
slope. This circuit minimizes inrush current at start up and
also prevents against overshoot of the output voltage. The
Constant slope circuit is fully built in and no external
components are needed. Start up time and the output voltage
slope is defined internally and there is no way for the user to
change it. Start up into bigger output capacitor doesn’t make
any problem due to cooperation of constant slope circuit and
current limit circuit.
VOUT
VOUT
GND
C2
100n
Figure 41. Typical Application Schematics
Current Limit
This regulator includes a fold−back current limiting
circuit. This type of protection doesn’t limit output current
up to specified current capability in normal operation, but
when an over current situation occurs, the output voltage and
current decrease until the over current condition ends.
Typical characteristics of this protection scheme are shown
in the Output voltage versus Output current graphs in the
characterization section of this datasheet.
Input Decoupling Capacitor (C1)
A 0.1 mF ceramic input decoupling capacitor should be
connected as close as possible to the input and ground pin of
the NCP4681/4. Higher values and lower ESR improves line
transient response.
Output Decoupling Capacitor (C2)
A 0.1 mF ceramic output decoupling capacitor is enough
to achieve stable operation of the IC. If a tantalum capacitor
is used, and its ESR is high, loop oscillation may result. The
capacitors should be connected as close as possible to the
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14
NCP4681, NCP4684
Output Discharger
The NCP4681D version includes a transistor between
VOUT and GND that is used for faster discharging of the
output capacitor. This function is activated when the IC goes
into disable mode.
on the PCB, the board material, and also the ambient
temperature affect the rate of temperature increase for the
part. When the device has good thermal conductivity
through the PCB the junction temperature will be relatively
low in high power dissipation applications.
Thermal
PCB layout
As power across the IC increase, it might become
necessary to provide some thermal relief. The maximum
power dissipation supported by the device is dependent
upon board design and layout. Mounting pad configuration
Make the VIN and GND line as large as practical. If their
impedance is high, noise pickup or unstable operation may
result. Connect capacitors C1 and C2 as close as possible to
the IC, and make wiring as short as possible.
ORDERING INFORMATION
Nominal Output
Voltage
Description
Marking
Package
Shipping†
NCP4681DMX29TCG
2.9 V
Auto discharge
B (fixed)*
XDFN0808
(Pb−Free)
10000 / Tape & Reel
NCP4681DMX33TCG
3.3 V
Auto discharge
B (fixed)*
XDFN0808
(Pb−Free)
10000 / Tape & Reel
NCP4681DMX35TCG
3.5 V
Auto discharge
B (fixed)*
XDFN0808
(Pb−Free)
10000 / Tape & Reel
NCP4681HMX35TCG
3.5 V
Enable high
B (fixed)*
XDFN0808
(Pb−Free)
10000 / Tape & Reel
NCP4681DSQ15T1G
1.5 V
Auto discharge
AQ15
SC−70
(Pb−Free)
3000 / Tape & Reel
NCP4681DSQ25T1G
2.5 V
Auto discharge
AQ25
SC−70
(Pb−Free)
3000 / Tape & Reel
NCP4681DSQ28T1G
2.8 V
Auto discharge
AQ28
SC−70
(Pb−Free)
3000 / Tape & Reel
NCP4681DSQ33T1G
3.3 V
Auto discharge
AQ33
SC−70
(Pb−Free)
3000 / Tape & Reel
NCP4684EMX25TCG
2.5 V
Without Enable
B (fixed)*
XDFN0808
(Pb−Free)
10000 / Tape & Reel
NCP4684EMX33TCG
3.3 V
Without Enable
B (fixed)*
XDFN0808
(Pb−Free)
10000 / Tape & Reel
Device
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*Marking codes for XDFN0808 packages are unified.
**To order other package and voltage variants, please contact your ON Semiconductor sales representative.
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15
NCP4681, NCP4684
PACKAGE DIMENSIONS
SC−88A (SC−70−5/SOT−353)
CASE 419A−02
ISSUE L
A
NOTES:
1. DIMENSIONING AND TOLERANCING
PER ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. 419A−01 OBSOLETE. NEW STANDARD
419A−02.
4. DIMENSIONS A AND B DO NOT INCLUDE
MOLD FLASH, PROTRUSIONS, OR GATE
BURRS.
G
5
4
−B−
S
1
2
DIM
A
B
C
D
G
H
J
K
N
S
3
D 5 PL
0.2 (0.008)
M
B
M
N
INCHES
MIN
MAX
0.071
0.087
0.045
0.053
0.031
0.043
0.004
0.012
0.026 BSC
--0.004
0.004
0.010
0.004
0.012
0.008 REF
0.079
0.087
J
C
K
H
SOLDER FOOTPRINT*
0.50
0.0197
0.65
0.025
0.65
0.025
0.40
0.0157
1.9
0.0748
SCALE 20:1
mm Ǔ
ǒinches
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
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16
MILLIMETERS
MIN
MAX
1.80
2.20
1.15
1.35
0.80
1.10
0.10
0.30
0.65 BSC
--0.10
0.10
0.25
0.10
0.30
0.20 REF
2.00
2.20
NCP4681, NCP4684
PACKAGE DIMENSIONS
SOT−23 5−LEAD
CASE 1212
ISSUE A
A
5
E
1
L1
A1
4
2
L
3
5X
e
A2
0.05 S
B
D
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSIONS: MILLIMETERS.
3. DATUM C IS THE SEATING PLANE.
A
E1
b
0.10
C
M
C B
S
A
S
C
RECOMMENDED
SOLDERING FOOTPRINT*
3.30
DIM
A
A1
A2
b
c
D
E
E1
e
L
L1
5X
0.85
5X
0.95
PITCH
0.56
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
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17
MILLIMETERS
MIN
MAX
--1.45
0.00
0.10
1.00
1.30
0.30
0.50
0.10
0.25
2.70
3.10
2.50
3.10
1.50
1.80
0.95 BSC
0.20
--0.45
0.75
NCP4681, NCP4684
PACKAGE DIMENSIONS
XDFN4 0.8x0.8, 0.48P
CASE 711AB
ISSUE O
PIN ONE
REFERENCE
2X
0.05 C
4X
A
B
D
ÉÉ
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DIMENSION b APPLIES TO PLATED
TERMINALS.
4. COPLANARITY APPLIES TO THE EXPOSED
PAD AS WELL AS THE TERMINALS.
L3
L2
0.06
E
REF
DETAIL A
DIM
A
A1
A3
b
D
D2
E
e
L
L2
L3
0.05 C
2X
TOP VIEW
0.07
(A3)
0.05 C
4X
0.17
0.37
A
0.05 C
NOTE 4
A1
SIDE VIEW
C
SEATING
PLANE
DETAIL B
RECOMMENDED
MOUNTING FOOTPRINT*
e
e/2
DETAIL A
MILLIMETERS
MIN
MAX
−−−
0.40
0.00
0.05
0.10 REF
0.17
0.27
0.80 BSC
0.20
0.30
0.80 BSC
0.48 BSC
0.23
0.33
0.17
0.27
0.01
0.11
1
4X
D2
2
0.27
3X
0.44
45 5
0.32
3X
L
4
PACKAGE
OUTLINE
3
4X
b
0.05
M
BOTTOM VIEW
1.00
DETAIL B
C A B
0.48
PITCH
NOTE 3
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks,
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limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications
and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC
does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for
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NCP4681/D
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