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LM317L

3-Terminal 0.1A Positive Adjustable Regulator
Features
Output Current in Excess of 100mA 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

Description
The LM317L is a 3-terminal adjustable positive voltage regulator capable of supplying in excess of 100mA 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.
TO-92

1

1. Adj 2. Output 3. Input 8-SOP

1

1. Input 2.3.6.7. Output 4. Adj 5.8. NC

Internal Block Diagram
Vin Input 3

-

Voltage Reference

Protection Circuitry

Rlimit

2 Vo
Output

1 Vadj

Rev. 1.0.2
2002 Fairchild Semiconductor Corporation

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LM317L DATASHEET