LM2931A 데이터 시트보기 (PDF) - Fairchild Semiconductor

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LM2931A

Low Dropout Voltage Regulator

Fairchild Semiconductor 

LM2931A

Low Dropout Voltage Regulator

www.fairchildsemi.com

Features

• Limited input voltage and high efficiency.

• Internal thermal over load protection.

• 60V load dump protection.

• Output current up to 0.1A.

Description

LM2931A is a fixed 3-terminal low dropout voltage

regulator designed to need very low quiescent current.

Internally, implemented circuits include 60V load dump

protection, -50V reverse transient short circuit and thermal

over load protection.

TO-92

1

1: Output 2: GND 3: Input

Internal Block Diagram

InVpIut

3

0.6V MAX DROP

PASS ELEMENT

OVER VOLTAGE

PROTECTION

CURRENT LIMIT

START

OVuO tput

1

GND

2

THERMAL SHUTDOWN

REFERENCE VOLTAGE

©2001 Fairchild Semiconductor Corporation

Rev. 1.0.0

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