onsemi

LM317MBT  

Linear & Switching Voltage Regulators

LM317MBT Description

The LM317MBT is a linear positive adjustable voltage regulator designed by onsemi, offering a versatile and reliable solution for power management applications. This regulator is housed in a through-hole TO220 package and is capable of delivering up to 500mA of output current. With an input voltage range of up to 40V and an adjustable output voltage from 1.2V to 37V, the LM317MBT provides a wide range of operating conditions suitable for various electronic systems.

LM317MBT Features

• Adjustable Output Voltage: The LM317MBT features an adjustable output voltage ranging from 1.2V to 37V, allowing for flexibility in power supply design.
• High Input Voltage Range: With a maximum input voltage of 40V, this regulator can handle a wide range of input conditions, making it suitable for diverse applications.
• High Output Current: Capable of delivering up to 500mA of output current, the LM317MBT is ideal for applications requiring moderate power levels.
• Low Quiescent Current: The regulator operates with a low quiescent current of 10mA, ensuring efficient power usage and minimal power loss.
• Protection Features: The LM317MBT includes over-current, over-temperature, and short-circuit protection features, enhancing system reliability and safety.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) of 80dB to 65dB at 120Hz, ensuring minimal noise and ripple in the output voltage.
• Moisture Sensitivity Level: The moisture sensitivity level (MSL) of 1 (unlimited) indicates that the device is not sensitive to moisture, making it suitable for a variety of environmental conditions.
• REACH Compliance: The LM317MBT is REACH unaffected, ensuring compliance with environmental and safety regulations.
• Mounting Type: The through-hole mounting type provides a robust and reliable mechanical connection, suitable for applications requiring high reliability.

LM317MBT Applications

The LM317MBT is ideal for a variety of applications where adjustable voltage regulation and moderate power delivery are required. Some specific use cases include:

• Power Supplies: Ideal for adjustable power supplies in laboratory and industrial settings.
• Battery Chargers: Suitable for charging various types of batteries, providing precise voltage control.
• Consumer Electronics: Used in devices such as radios, amplifiers, and other consumer electronics that require stable and adjustable power.
• Industrial Equipment: Applicable in industrial control systems and automation equipment where reliable power management is crucial.
• Telecommunications: Used in telecommunication equipment for stable power supply and voltage regulation.

Conclusion of LM317MBT

The LM317MBT is a versatile and reliable linear positive adjustable voltage regulator from onsemi, offering a wide range of technical specifications and performance benefits. Its adjustable output voltage, high input voltage range, and protection features make it suitable for a variety of applications. Despite being marked as obsolete, the LM317MBT remains a valuable component for power management in many electronic systems. Its compliance with REACH regulations and robust mechanical design further enhance its appeal for use in diverse environments.

LM317MBT Documents

Download datasheets and manufacturer documentation for LM317MBT

Datasheets :

LM317M, NCV317MA, NCV317M      

PCN Obsolescence/ EOL :

Multiple Devices 27/Jun/2007      

HTML Datasheet :

LM317M, NCV317MA, NCV317M      

Environmental Information :

onsemi RoHS       onsemi REACH