Texas Instruments

LM338T/NOPB

LM338T/NOPB is a high-voltage, three-terminal adjustable voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable and adjustable output voltage over a wide range of input voltages and load currents. The LM338T/NOPB is available in a TO-263AB package, which is suitable for high-power applications.

Description:

The LM338T/NOPB is a monolithic integrated circuit that offers a high-voltage, adjustable output voltage with excellent load regulation and line regulation. It features internal current limiting, thermal shutdown, and short-circuit protection, making it suitable for a wide range of applications.

Features:

1. Adjustable output voltage: The output voltage can be adjusted from 2V to a maximum of 40V, depending on the external resistors used for setting the output voltage.
2. High input voltage range: The LM338T/NOPB can handle input voltages up to 70V, making it suitable for a wide range of power supply applications.
3. High output current capability: The device can deliver output currents up to 2A, depending on the heat sink used and the ambient temperature.
4. Internal current limiting and thermal shutdown: The LM338T/NOPB features built-in protection against overcurrent and overheating conditions.
5. Short-circuit protection: The device provides protection against short-circuit conditions on the output.
6. Low dropout voltage: The LM338T/NOPB has a low dropout voltage, which ensures high efficiency and minimal power loss at low output voltages.
7. Wide operating temperature range: The device operates over a temperature range of -40°C to +125°C.

Applications:

1. Power supplies for industrial and consumer electronics
2. Battery charging circuits
3. Motor speed control
4. High-voltage power supplies for laboratory equipment
5. DC-DC converters
6. Linear power supplies
7. Inverter power supplies

The LM338T/NOPB is a versatile and reliable solution for high-voltage, adjustable voltage regulation in various applications. Its high input voltage range, adjustable output voltage, and built-in protection features make it a popular choice for designers looking for a robust and efficient voltage regulator.