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PDF NCP4620 Data sheet ( Hoja de datos )
| Número de pieza | NCP4620 | |
| Descripción | Low Dropout Regulator | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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NCP4620
150 mA, 10 V, Low Dropout
Regulator
The NCP4620 is a CMOS Linear voltage regulator with 150 mA
output current capability. The device is capable of operating with input
voltages up to 10 V, with high output voltage accuracy and low
temperature−drift coefficient. The NCP4620 is easy to use, with
output current fold−back protection and a thermal shutdown circuit
included. A Chip Enable function is included to save power by
lowering supply current.
Features
• Operating Input Voltage Range: 2.6 V to 10 V
• Output Voltage Range: 1.2 V to 6.0 V (available in 0.1 V steps)
• Output Voltage Accuracy: ±1.0%
• Low Supply Current: 23 mA
• Low Dropout: 200 mV (IOUT = 100 mA, VIN = 3.0 V)
• 400 mV (IOUT = 150 mA, VIN = 2.8 V)
• High PSRR: 70 dB at 1 kHz
• Line Regulation 0.02%/V Typ
• Current Fold Back Protection
• Thermal Shutdown Protection
• Stable with Ceramic Capacitors
• Available in SC−70 and SOT23 Packages
• These are Pb−Free Devices*
Typical Applications
• Battery products powered by 2 Lithium Ion cells
• Networking and Communication Equipment
• Cameras, DVRs, STB and Camcorders
• Toys, industrial applications
VIN
C1
1m
NCP4620x
VIN VOUT
CE
GND
VOUT
C2
1m
http://onsemi.com
MARKING
DIAGRAMS
SC−70
CASE 419A
XXX MG
G
SOT−23−5
CASE 1212
XX
M
XX, XXX= Specific Device Code
M, MM = Date Code
A = Assembly Location
Y = Year
W = Work Week
G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
Figure 1. Typical Application Schematic
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2010
December, 2010 − Rev. P0
1
Publication Order Number:
NCP4620/D
1 page  
NCP4620
TYPICAL CHARACTERISTICS
1.55
1.54
VIN = 2.6 V
1.53
1.52
1.51
1.50
1.49
1.48
1.47
1.46
1.45−40
−20
0
20 40 60 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 8. Output Voltage vs. Temperature,
1.5 V Version
5.10
5.08
VIN = 6.0 V
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90−40
−20
0
20 40 60 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Output Voltage vs. Temperature,
5.0 V Version
30
25 VOUT = 5 V
20 3.3 V
15 1.5 V
10
5
0−40
−20
0
20 40 60 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 12. Supply Current vs. Temperature
3.35
3.34
VIN = 4.3 V
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25−40
−20
0
20 40 60 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 9. Output Voltage vs. Temperature,
3.3 V Version
40
35
30
25 VOUT = 5 V
20 3.3 V
1.5 V
15
10
5
0 0 2 4 6 8 10
VIN, INPUT VOLTAGE (V)
Figure 11. Supply Current vs. Input Voltage
1.8
1.6 1 mA
1.4 20 mA
1.2 50 mA
1.0 100 mA
0.8
0.6 IOUT = 150 mA
0.4
0.2
0.0 0 1 2 3 4 5 6 7 8 9
VIN, INPUT VOLTAGE (V)
Figure 13. Output Voltage vs. Input Voltage,
1.5 V Version
10
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5
5 Page 
NCP4620
TYPICAL CHARACTERISTICS
200
150
100
50
5.6 0
5.4
5.2
5.0
4.8
4.6
4.4
0 50 100 150 200 250 300 350 400 450 500
t (ms)
Figure 33. Load Transients, 5.0 V Version,
IOUT = 1 – 150 mA, tR = tF = 0.5 ms, VIN = 6.0 V
Chip Enable
3
2
1
0
2.0
1.5 IOUT = 30 mA
1.0 IOUT = 150 mA
0.5 IOUT = 1 mA
0
−0.5
0 20 40 60 80 100 120 140 160 180 200
t (ms)
Figure 34. Start−up, 1.5 V Version, VIN = 2.6 V
Chip Enable
6
4
2
0
4.0
3.0 IOUT = 30 mA
2.0 IOUT = 150 mA
1.0
0
IOUT = 1 mA
−1.0
0 20 40 60 80 100 120 140 160 180 200
t (ms)
Figure 35. Start−up, 3.3 V Version, VIN = 4.3 V
http://onsemi.com
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet NCP4620.PDF ] | |
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