LM2931A Fairchild Semiconductor, LM2931A Datasheet
LM2931A
Manufacturer Part Number
LM2931A
Description
Low Dropout Voltage Regulator
Manufacturer
Fairchild Semiconductor
Datasheet
1.LM2931A.pdf
(8 pages)
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Features
• Limited input voltage and high efficiency.
• Internal thermal over load protection.
• 60V load dump protection.
• Output current up to 0.1A.
Internal Block Diagram
©2001 Fairchild Semiconductor Corporation
LM2931A
Low Dropout Voltage Regulator
Input
GND
V
3
2
I
START
THERMAL SHUTDOWN
OVER VOLTAGE
PROTECTION
PASS ELEMENT
0.6V MAX DROP
CURRENT LIMIT
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: Output 2: GND 3: Input
1
REFERENCE VOLTAGE
+
_
www.fairchildsemi.com
Output
V
1
O
Rev. 1.0.0
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