Texas Instruments

LM7812SX/NOPB

The LM7812SX/NOPB is a fixed linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 12V from an input voltage as high as 35V. The LM7812SX/NOPB is part of the LM78XX series of regulators, which also includes the LM7805 (5V output) and LM7808 (8V output) among others.

Description:

The LM7812SX/NOPB is a 1Ampere output voltage regulator in a TO-220 package. It is a three-terminal positive voltage regulator with internal current limiting and thermal shutdown. The regulator has a dropout voltage of 2V, which means it can operate with an input voltage as low as 14V.

Features:

1. Output voltage: 12V
2. Output current: 1A
3. Input voltage range: 10V to 35V
4. Dropout voltage: 2V
5. Internal current limiting and thermal shutdown
6. Low output noise
7. High load regulation
8. Available in TO-220 package

Applications:

The LM7812SX/NOPB is widely used in a variety of applications where a stable 12V power supply is required. Some of the common applications include:

1. Power supplies for microprocessors and other digital circuits
2. Laboratory and industrial equipment
3. Telecommunication equipment
4. Audio and video equipment
5. Computer peripherals
6. Battery charging circuits
7. LED lighting applications

The LM7812SX/NOPB is a reliable and cost-effective solution for providing a stable 12V output from a wide range of input voltages. Its internal current limiting and thermal shutdown features make it a safe choice for a variety of applications.