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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
0.6V MAX DROP
Input
V
I
3
PASS ELEMENT
Output
V
O
1
OVER VOLTAGE
PROTECTION
CURRENT LIMIT
START
_
THERMAL SHUTDOWN
REFERENCE VOLTAGE
GND
2
漏2001 Fairchild Semiconductor Corporation
+
Rev. 1.0.0