onsemi

LM317MTG

LM317MTG Description

The LM317MTG from onsemi is a highly reliable, adjustable positive linear voltage regulator designed for a wide range of power supply applications. With an input voltage range up to 40V and an adjustable output voltage from 1.2V to 37V, this regulator delivers a stable 500mA output current, making it ideal for both low-power and medium-power circuits. Its TO-220 package ensures efficient heat dissipation, while its robust design includes over-current, over-temperature, and short-circuit protection, enhancing system reliability. The LM317MTG is RoHS3 compliant and REACH unaffected, meeting stringent environmental standards.

LM317MTG Features

• Adjustable Output: Precision voltage adjustment from 1.2V to 37V via external resistors.
• High PSRR: 80dB to 65dB (120Hz) ensures excellent noise rejection for sensitive applications.
• Thermal & Current Protection: Built-in safeguards against over-current, over-temperature, and short circuits.
• Low Quiescent Current: 10 mA minimizes power loss in standby modes.
• Wide Operating Temperature: 0°C to 125°C (TJ) for harsh environments.
• Through-Hole Mounting: TO-220 package simplifies heat sinking and PCB integration.

LM317MTG Applications

• Bench Power Supplies: Adjustable output suits prototyping and testing.
• Battery Chargers: Stable voltage regulation for lead-acid or Li-ion charging circuits.
• Industrial Control Systems: Reliable performance in automation and instrumentation.
• Consumer Electronics: Power management for audio amplifiers, LED drivers, and small appliances.
• Embedded Systems: Low-noise voltage regulation for microcontrollers and sensors.

Conclusion of LM317MTG

The LM317MTG stands out as a versatile, robust linear regulator with high PSRR, thermal protection, and wide adjustability, making it superior to fixed-voltage alternatives. Its TO-220 package and 500mA output cater to demanding applications, while compliance with RoHS3 and REACH ensures environmental safety. Whether for industrial, consumer, or embedded systems, the LM317MTG delivers precision, reliability, and ease of integration, solidifying its role as a go-to solution for adjustable voltage regulation.