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LM317M Datasheet, PDF (1/8 Pages) ON Semiconductor – Three-Terminal Adjustable Output Positive Voltage Regulator
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LM317M
3-Terminal 0.5A Positive Adjustable Regulator
Features
• Output Current in Excess of 0.5A
• Output Adjustable Between 1.2V and 37V
• Internal Thermal Overload Protection
• Internal Short Circuit Current Limiting
• Output Transistor Safe Area Compensation
• Floating Operation for High Voltage Applications
Internal Block Diagram
InVpiunt 3
Description
The LM317M is a 3-terminal adjustable positive voltage
regulator capable of supplying in excess of 500mA over an
output voltage range of 1.2V to 37V. This voltage regulator
is exceptionally easy to use and requires only two external
resistors to set the output voltage.
D-PAK
2
13
1. Adj 2. Output 3. Input
TO-220
12 3
+
-
V olta ge
Re fe re nce
1
V ad j
P rotection
Circ uitry
R limit
2 Vo
Output
©2002 Fairchild Semiconductor Corporation
Rev. 1.0.2