The LM25575MHX/NOPB is an advanced, feature-rich, 42V, 1.5A Synchronous Step-Down (SD) Switching Regulator manufactured by Texas Instruments. It offers a wide input voltage range from 4.5V to 42V and is capable of providing a regulated output voltage of 1.44V–38.4V with an accuracy of ±2%. The regulator provides up to 1.5A of output current with an operating frequency range up to 2.25 MHz. The device includes a soft-start configuration, an adjustable enable input, an adjustable voltage-error amplifier, a low power sleep mode, and a thermal shutdown feature. The device also features a patented topology to address the issue of critical mode operation. The LM25575MHX/NOPB is capable of providing continuous automatic power tracking and is also highly efficient. It is suitable for a wide range of applications including automotive, industrial, medical, and consumer.