LM317 3-Terminal Positive Adjustable Regulator
March 2000
Revised June 2005
LM317
3-Terminal Positive Adjustable Regulator
General Description
This monolithic integrated circuit is an adjustable 3-terminal
positive voltage regulator designed to supply more than
1.5A of load current with an output voltage adjustable over
a 1.2 to 37V. It employs internal current limiting, thermal
shut-down and safe area compensation.
Features
s
Output Current In Excess of 1.5A
s
Output Adjustable Between 1.2V and 37V
s
Internal Thermal Overload Protection
s
Internal Short Circuit Current Limiting
s
Output Transistor Safe Operating Area Compensation
s
TO-220 Package
s
D2 PAK Package
Ordering Code:
Product Number
LM317T
LM317D2TXM
Package
TO-220
D2 PAK
Operating Temperature
0
q
C to
125
q
C
0
q
C to
125
q
C
Connection Diagrams
Internal Block Diagram
© 2005 Fairchild Semiconductor Corporation
DS400281
www.fairchildsemi.com
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