LP2951CM(2001) 查看數據表（PDF） - Fairchild Semiconductor

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LP2951CM
(Rev.:2001)

Adjustable Micro Power Voltage Regulator

Fairchild Semiconductor 

LP2951

Typical Application

ERROR

SHUTDOWN

V IN

8

V IN

5 ERROR VOUT 1

KAL7P82R9L5O1 OD

3

SD

GND

FB

4

7

V OUT

Co

R1

1 µF

VREF

R2

VO = VREF (1+ R1/ R2)+IFB R1

CO is required between the output and ground for stability at output voltages

of 5V or more. since IFB is controlled to less than 40nA, the error associated

with this term is negligible in most applications.

At lower output voltage, more capacitance is required. without this capacitance

the part will oscillate.

6

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