LM2596SX-12/NOPB – 12V 3A SIMPLE SWITCHER Step-Down Regulator IC TO-263-5

Resources:
Datasheet
LM2596SX-12/NOPB 12V, 3A Step-Down Voltage Regulator | Texas Instruments
The LM2596SX-12/NOPB from Texas Instruments is a monolithic 3A step-down voltage regulator designed to provide a fixed 12V output with high efficiency and low component count. Operating from an input voltage range of up to 40V, the LM2596 is ideal for industrial, automotive, and embedded systems requiring robust, efficient DC-DC conversion.
The device operates at a fixed 150kHz switching frequency, reducing external component size and simplifying circuit design. It features an integrated high-current switch, thermal shutdown, and current limiting, ensuring reliable performance in demanding power environments.
Applications

Automotive and industrial power supplies
Embedded control systems and microcontroller power rails
Battery charger systems
Telecom and instrumentation equipment
24V to 12V DC conversion