LM317 Adjustable Voltage Regulator IC

The LM317 is a versatile 3-terminal adjustable positive voltage regulator capable of delivering up to 1.5A output current. It provides an adjustable output voltage ranging from 1.25V to 37V and features built-in thermal overload, short-circuit, and safe operating area protection. The LM317 is widely used in adjustable power supplies, battery chargers, LED drivers, and electronic projects

Front View (text facing you, pins downward):

1. ADJ (Adjust)
2. OUT (Output)
3. IN (Input)