onsemi

LM317MABT

LM317MABT Description

The LM317MABT is a linear voltage regulator designed for adjustable output voltage applications. Manufactured by onsemi, this regulator offers a wide input voltage range up to 40V and can deliver a maximum output current of 500mA. With a minimum output voltage of 1.2V and a maximum of 37V, the LM317MABT provides flexibility in various electronic designs. It features a positive output configuration and is housed in a through-hole TO220 package, making it suitable for applications requiring robust and reliable power regulation.

LM317MABT Features

• Adjustable Output Voltage: The LM317MABT allows for adjustable output voltage ranging from 1.2V to 37V, providing flexibility to meet diverse power requirements.
• High Input Voltage Range: With a maximum input voltage of 40V, this regulator can handle a wide range of input sources, making it suitable for various applications.
• Low Quiescent Current: The regulator operates with a low quiescent current of 10mA, ensuring efficient power usage and minimal power loss.
• High Power Supply Rejection Ratio (PSRR): The LM317MABT offers a PSRR of 80dB to 65dB at 120Hz, ensuring stable output voltage even under varying input conditions.
• Protection Features: It includes over-current, over-temperature, and short-circuit protection, safeguarding both the regulator and the connected circuitry.
• Moisture Sensitivity Level: The MSL level is 1 (Unlimited), indicating that the device is not sensitive to moisture, enhancing its reliability in various environmental conditions.
• Compliance: The LM317MABT is REACH unaffected and falls under the ECCN classification of EAR99, ensuring compliance with international regulations.

LM317MABT Applications

The LM317MABT is ideal for a variety of applications where adjustable voltage regulation is required. Its adjustable output voltage and robust protection features make it suitable for:

• Power Supplies: Ideal for adjustable power supplies in laboratories and industrial settings.
• Battery Chargers: Can be used to design efficient battery charging circuits with adjustable voltage levels.
• Consumer Electronics: Suitable for powering various consumer electronics devices that require stable and adjustable voltage.
• Industrial Equipment: Robust enough for industrial applications where reliability and protection features are critical.

Conclusion of LM317MABT

The LM317MABT is a versatile and reliable linear voltage regulator that offers adjustable output voltage, high input voltage range, and robust protection features. Despite being marked as obsolete, its performance benefits and wide range of applications make it a valuable component for various electronic designs. The low quiescent current and high PSRR ensure efficient and stable power regulation, while the protection features safeguard against common power-related issues. This regulator is particularly well-suited for adjustable power supplies, battery chargers, and consumer electronics, making it a go-to choice for engineers and designers in need of a reliable and flexible power regulation solution.