onsemi

LM317MDTRK

LM317MDTRK Description

The LM317MDTRK is a versatile, adjustable linear voltage regulator IC produced by onsemi, designed to provide a stable output voltage in a range of electronic applications. This device is characterized by its positive output configuration, adjustable output voltage ranging from 1.2V to 37V, and a maximum output current of 500mA. It is housed in a DPAK package and is supplied in tape and reel packaging for convenience in automated assembly processes.

LM317MDTRK Features

• Adjustable Output: The LM317MDTRK offers an adjustable output voltage, providing flexibility in power supply design.
• Robust Protection: It includes over current, over temperature, and short circuit protection features to safeguard against common faults.
• PSRR: The power supply rejection ratio (PSRR) ranges from 80dB to 65dB at 120Hz, ensuring stable operation even with varying input power quality.
• Low Quiescent Current: With a quiescent current of only 10mA, it minimizes power loss in low-power applications.
• Wide Operating Temperature: Capable of operating in a broad temperature range from 0°C to 125°C, making it suitable for a variety of environments.
• REACH Unaffected: Compliant with REACH regulations, ensuring environmental safety.
• Obsolete Status: It is important to note that the LM317MDTRK is classified as obsolete; however, it may still be available through certain suppliers or as a legacy component in existing designs.

LM317MDTRK Applications

The LM317MDTRK is ideal for applications requiring a stable and adjustable voltage source with a moderate current output. Some specific use cases include:

• Battery Powered Devices: Provides a regulated power supply for devices like portable electronics and remote sensors.
• Industrial Controls: Used in control systems where a stable voltage is critical for the operation of motors and actuators.
• Audio Equipment: Can be employed in power supply circuits for audio amplifiers and other audio processing devices.
• Automotive Electronics: Offers a reliable power source for various automotive electronic systems.

Conclusion of LM317MDTRK

While the LM317MDTRK is an obsolete product, it remains a robust choice for applications that require a stable, adjustable voltage regulator capable of handling up to 500mA. Its unique combination of adjustable output, protection features, and low quiescent current make it suitable for a wide range of electronic devices. Although it may be challenging to source, its performance benefits and applications make it a worthwhile consideration for legacy systems and specific use cases where its capabilities are required.