Texas Instruments

LM317SX/NOPB

The LM317SX/NOPB is a voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is a member of the LM317 family of adjustable voltage regulators, which are widely used for providing a stable and adjustable output voltage from an input voltage source.

Description:

The LM317SX/NOPB is a three-terminal adjustable voltage regulator that can provide an output voltage range from 1.25V to 37V. It is available in a plastic package and features a thermal shutdown protection to prevent damage in the event of an overload or short circuit.

Features:

1. Adjustable output voltage: The LM317SX/NOPB can provide an adjustable output voltage that can be set using external resistors.
2. Low dropout voltage: The regulator has a low dropout voltage, which means it can operate efficiently even when the input voltage is close to the desired output voltage.
3. Thermal shutdown protection: The LM317SX/NOPB features a thermal shutdown protection that turns off the regulator if the temperature exceeds a certain threshold, protecting the device from damage.
4. High output current: The LM317SX/NOPB can provide a high output current of up to 1.5A, making it suitable for a wide range of applications.
5. Compact package: The LM317SX/NOPB is available in a small plastic package, making it easy to integrate into a variety of electronic devices.

Applications:

The LM317SX/NOPB is used in a wide range of applications, including:

1. Power supplies: The LM317SX/NOPB can be used to create a stable and adjustable power supply for electronic devices.
2. Battery charging: The regulator can be used to create a constant current and voltage charging circuit for batteries.
3. LED lighting: The LM317SX/NOPB can be used to regulate the voltage and current supplied to LED lighting circuits.
4. Motor control: The regulator can be used to control the speed of DC motors by adjusting the voltage supplied to the motor.
5. Audio equipment: The LM317SX/NOPB can be used to provide a stable voltage supply for audio amplifiers and other audio equipment.

Overall, the LM317SX/NOPB is a versatile and reliable voltage regulator that is widely used in a variety of electronic devices. Its adjustable output voltage, low dropout voltage, and thermal shutdown protection make it a popular choice for many applications.