LM317 Adjustable Linear Voltage Regulator IC

The LM317 is an adjustable linear voltage regulator designed to provide a regulated output over a wide voltage range.
It uses an external resistor network to set the desired output voltage.
The device maintains stable regulation under varying input and load conditions.
Built-in current limiting and thermal shutdown ensure reliable operation.
Typical applications include adjustable power supplies, battery chargers, and voltage regulation circuits.

• Adjustable Output Voltage Control set by external resistors

• Linear Regulator Architecture providing stable output

• Internal Current Limiting protecting against overload

• Thermal Shutdown Protection preventing overheating

• Wide Input Voltage Capability supporting various DC sources

• TO-220 Package suitable for heat sinking and PCB mounting

• Model | LM317

• Device Type | Adjustable Linear Voltage Regulator

• Output Voltage Range | 1.25 V to 37 V

• Maximum Output Current | 1.5 A

• Input Voltage Range | Up to 40 V

• Reference Voltage | 1.25 V

• Dropout Voltage (Typical) | 2 V

• Output Voltage Regulation | ±1 %

• Protection Features | Current Limit, Thermal Shutdown

• Operating Temperature Range | −40 °C to 125 °C

• Package Type | TO-220

• 3D Model
• Datasheet