The is a synchronous buck (step-down) PWM controller designed to convert a higher input voltage (e.g., 12V) into a lower, precisely regulated output voltage (e.g., 1.2V–5V) with high efficiency. It is frequently found in DDR memory power supplies , chipset/VCCIO rails , and general point-of-load (POL) regulation on PC motherboards, LCD TVs, and embedded systems.
Battery-powered sensors and embedded systems. Up0104s Datasheet