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PDF NCP4625 Data sheet ( Hoja de datos )
| Número de pieza | NCP4625 | |
| Descripción | Low Dropout Regulator | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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NCP4625
300 mA, 10 V, Low Dropout
Regulator
The NCP4625 is a CMOS Linear voltage regulator with 300 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 NCP4625 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 to 6.0 V (available in 0.1 V steps)
• Low Supply Current: 23 mA
• Very Low Dropout:
♦ 200 mV (IOUT = 100 mA, VIN = 3.0 V)
♦ 770 mV (IOUT = 300 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, SOT89 and SOT−23 Package
• These are Pb−Free Devices
Typical Applications
• Battery products powered by Two Lithium Ion cells
• Networking and Communication Equipment
• Cameras, DVRs, STB and Camcorders
• Toys, industrial applications
VIN
C1
1m
NCP4625x
VIN VOUT
CE
GND
VOUT
C2
1m
http://onsemi.com
MARKING
DIAGRAMS
SC−70
CASE 419A
XXX MG
G
1
SOT−89 5
CASE 528AB
1
XXX
XMM
SOT−23−5
CASE 1212
XXXMM
1
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
© Semiconductor Components Industries, LLC, 2012
February, 2012 − Rev. 2
1
Publication Order Number:
NCP4625/D
1 page  
NCP4625
TYPICAL CHARACTERISTICS
1.30
1.28
VIN = 2.6 V
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
−40
−20
0
20 40 60 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 9. Output Voltage vs. Temperature,
1.2 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 11. Output Voltage vs. Temperature,
5.0 V Version
30
25
2.8 V
20
15
5.0 V
VOUT = 1.2 V
10
5
0
−40 −20
0
20 40 60 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 13. Supply Current vs. Temperature,
1.2 V Version
2.90
2.88
VIN = 3.8 V
2.86
2.84
2.82
2.80
2.78
2.76
2.74
2.72
2.70
−40
−20
0
20 40 60 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Output Voltage vs. Temperature,
2.8 V Version
40
35
30
25 VOUT = 5 V
20 2.8 V
15 1.2 V
10
5
00 1 2 3 4 5 6
VIN, OUTPUT VOLTAGE (V)
Figure 12. Supply Current vs. Input Voltage
1.4
1.2
1 mA
1.0
0.8
0.6
0.4
20 mA
50 mA
100 mA
IOUT = 200 mA
0.2
0.0 0
2468
VIN, INPUT VOLTAGE (V)
Figure 14. Output Voltage vs. Input Voltage,
1.2 V Version
10
http://onsemi.com
5
5 Page 
NCP4625
TYPICAL CHARACTERISTICS
4
Chip Enable
3
2
1
0
2.0
1.5 IOUT = 30 mA
1.0 IOUT = 300 mA
0.5 IOUT = 1 mA
0.0
−0.5 0 20 40 60 80 100 120 140 160 180 200
t (ms)
Figure 35. Start−up, 1.2 V Version, VIN = 2.6 V
Chip Enable
5
4
3
2
1
40
3
2
1
IOUT = 30 mA
IOUT = 300 mA
IOUT = 1 mA
0
−1
0 20 40 60 80 100 120 140 160 180 200
t (ms)
Figure 36. Start−up, 2.8 V Version, VIN = 3.8 V
10
Chip Enable
8
6
4
2
80
6
4 IOUT = 30 mA
2
IOUT = 300 mA
IOUT = 1 mA
0
−2 0 20 40 60 80 100 120 140 160 180 200
t (ms)
Figure 37. Start−up, 5.0 V Version, VIN = 6.0 V
http://onsemi.com
11
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet NCP4625.PDF ] | |
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