LM317T-DG TO220 Dual Gauge Frame

LM317 Linear Voltage Regulator

The LM317 linear voltage regulator (Micros Symbol: ST317) is a versatile adjustable regulator, allowing a stable output voltage across a wide range. It is one of the most popular and universal regulators on the market, ideal for applications requiring precise voltage control, from simple power supplies to more complex electronic circuits.

Key features and capabilities of the LM317 regulator

• Type: Linear voltage regulator, adjustable
• Manufacturer: JSMicro Semiconductor (symbol JSM)
• Output voltage (adjustable): From 1.3V to 37V
• Output current: 1A
• Maximum input voltage: 40V
• Output voltage tolerance: 4%
• Operating temperature: From -40°C to 85°C
• Package type: TO220

Typical applications of the LM317 regulator

The LM317 regulator is an extremely flexible component used in many areas of electronics, such as:

• adjustable power supplies – the basis for building laboratory and workshop supplies with variable voltage;
• battery chargers – enables precise adjustment of charging voltage for different battery types;
• LED circuits – for powering LEDs with constant current, ensuring their stable operation;
• voltage stabilization in systems – wherever a stable and precisely controlled supply voltage is required for electronic components;
• consumer and industrial electronics – in devices requiring flexibility in supply voltage range.

Thanks to its reliability and adjustability, the LM317 regulator is an indispensable component for every electronics engineer and designer.