Texas Instruments

LM317MKTPR

LM317MKTPR Description

The LM317MKTPR is a linear voltage regulator designed for a wide range of applications requiring adjustable output voltage and current regulation. Manufactured by Texas Instruments, this regulator offers a robust and versatile solution for power management in electronic circuits. The LM317MKTPR features an adjustable output voltage ranging from 1.25V to 37V, with a maximum input voltage of 40V. It is capable of delivering up to 500mA of output current, making it suitable for various low to medium power applications. The regulator is housed in a TO252-3 package, which is ideal for surface-mount applications, ensuring ease of integration into modern PCB designs.

LM317MKTPR Features

• Adjustable Output Voltage: The LM317MKTPR provides an adjustable output voltage range from 1.25V to 37V, offering flexibility in power supply design.
• High Input Voltage: With a maximum input voltage of 40V, the regulator can handle a wide range of input sources, enhancing its versatility.
• Current Capability: The regulator is designed to deliver up to 500mA of output current, making it suitable for a variety of applications requiring moderate power levels.
• Protection Features: The LM317MKTPR includes over-current, over-temperature, and short-circuit protection, ensuring reliable operation and protection against common fault conditions.
• Low Quiescent Current: The regulator operates with a low quiescent current of 10mA, minimizing power consumption during operation.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) of 80dB to 65dB at 120Hz, ensuring stable output voltage under varying input conditions.
• Wide Operating Temperature Range: The LM317MKTPR operates within a temperature range of 0°C to 125°C (TJ), making it suitable for industrial and automotive applications.
• Compliance: The regulator is REACH unaffected and RoHS3 compliant, adhering to environmental and safety standards.
• Moisture Sensitivity Level: The MSL level is 1 (Unlimited), indicating the device is not moisture-sensitive, which is beneficial for manufacturing processes.

LM317MKTPR Applications

The LM317MKTPR is ideal for a variety of applications where adjustable voltage regulation and reliable performance are required. Some specific use cases include:

• Power Supplies: The regulator can be used in adjustable power supplies for laboratory and industrial applications, providing a stable and adjustable output voltage.
• Battery Chargers: The LM317MKTPR can be employed in battery charging circuits, offering precise voltage regulation to ensure safe and efficient charging.
• Consumer Electronics: The regulator is suitable for consumer electronics where adjustable voltage levels are needed, such as in audio amplifiers and portable devices.
• Automotive Electronics: The wide operating temperature range and robust protection features make the LM317MKTPR suitable for automotive applications, including in-car electronics and accessories.
• Industrial Equipment: The regulator can be used in various industrial control systems and equipment where reliable power management is crucial.

Conclusion of LM317MKTPR

The LM317MKTPR from Texas Instruments is a versatile and reliable linear voltage regulator designed for adjustable output voltage and current regulation. Its wide input voltage range, high output current capability, and robust protection features make it suitable for a variety of applications. The regulator's compliance with environmental and safety standards, along with its low quiescent current and high PSRR, further enhance its appeal. While the product is marked as obsolete, it remains a valuable component for applications requiring a reliable and flexible power management solution.