STMicroelectronics

LM317LZ-TR

The LM317LZ-TR is a linear voltage regulator produced by STMicroelectronics. It is a member of the LM317 family of adjustable voltage regulators, which are widely used in a variety of electronic applications for providing a stable output voltage.

Description:

The LM317LZ-TR is a three-terminal adjustable linear regulator that can provide an output voltage as low as 1.25V or as high as 37V. It is available in a TO-220 package, which is a common package for power transistors and voltage regulators.

Features:

1. Adjustable output voltage: The LM317LZ-TR can provide an adjustable output voltage, allowing it to be used in a wide range of applications.
2. High output current: The LM317LZ-TR can provide an output current of up to 1.5A, making it suitable for powering high-current loads.
3. Low dropout voltage: The LM317LZ-TR has a low dropout voltage, which means it can regulate the output voltage even when the input voltage is close to the desired output voltage.
4. Thermal protection: The LM317LZ-TR includes thermal protection to prevent damage to the device in the event of an overload or short circuit.
5. Low quiescent current: The LM317LZ-TR has a low quiescent current, which reduces power consumption and improves efficiency.

Applications:

The LM317LZ-TR is used in a variety of electronic applications, including:

1. Power supply design: The LM317LZ-TR is commonly used in power supply designs to provide a stable output voltage to power electronic circuits.
2. Battery charging: The LM317LZ-TR can be used to regulate the voltage and current supplied to a battery, ensuring safe and efficient charging.
3. LED lighting: The LM317LZ-TR can be used to regulate the voltage and current supplied to LED lighting circuits, improving efficiency and extending the life of the LEDs.
4. Motor control: The LM317LZ-TR can be used to regulate the voltage and current supplied to motor control circuits, improving motor performance and efficiency.
5. Audio equipment: The LM317LZ-TR can be used in audio equipment to provide a stable voltage supply to power amplifiers and other components.

Overall, the LM317LZ-TR is a versatile and reliable linear voltage regulator that is widely used in a variety of electronic applications. Its adjustable output voltage, high output current, low dropout voltage, thermal protection, and low quiescent current make it an excellent choice for power supply design, battery charging, LED lighting, motor control, and audio equipment.