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參數(shù)資料
| 型號(hào)： | FAN1951D25X |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | TERMINAL |
| 中文描述： | 2.5 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO4 |
| 封裝： | PLASTIC, TO-252, DPAK-5 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 518K |
| 代理商： | FAN1951D25X |
www.fairchildsemi.com
REV. 0.1.6 8/30/04
Features
1.5A minimum guaranteed output current
500mV maximum dropout at 1.5A
Ideal for 2.5V to 1.8V or 1.65V conversion
Ideal for 3.0V to 2.5V conversion
Current Limiting and Thermal shutdown
External Shut-down control (FAN1951 only)
Error flag output (FAN1951 only)
Fast transient response
Low ground current
Applications
General purpose conversion for low-voltage CPUs,
DSP and FPGAs
SMPS post regulator
Cable/Satellite set-top boxes
PCI Graphics adapter cards
General Description
The FAN1950 and FAN1951 are 1.5A low-dropout linear
regulators that provide a low voltage, high current output
with a minimum of external components. Both of these
devices use a PNP output pass element achieving a maxi-
mum 500mV dropout at 1.5A load current. In addition these
devices offer overcurrent limit and thermal shutdown
features to ensure full protection.
The FAN1951 offers a logic level enable pin and an error
flag output to indicate undervoltage and over-current condi-
tions. 1.8V and 2.5V fixed output versions are available.
3.3V, 1.65V and 1.5V options are available upon request.
Typical Application
3.0V
2.5V
100K
2.5V
1.8V
FAN1950-2.5V
FAN1951-1.8V
10
μ
F
10
μ
F
IN
IN
FLAG
EN
Error Output
On/Off
OUT
OUT
GND
GND
FAN1950/FAN1951
1.5A Low-Voltage Low-Dropout Regulator
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