BUY IR21064S https://www.utsource.net/itm/p/1548524.html
HIGH AND LOW SIDE DRIVER
Description: The IR21064S is a high-performance, high-efficiency, synchronous buck regulator with integrated high-side and low-side MOSFETs. Features: * Input voltage range: 4.5V to 18V * Output voltage range: 0.8V to 5.5V * Output current up to 6A * High efficiency up to 95% * Programmable switching frequency up to 1MHz * Internal compensation * Internal soft-start * Over-current protection * Over-temperature protection Applications: * Point-of-load regulation * Battery-powered systems * High-current, low-voltage regulation * DC-DC converters * Automotive systems (For reference only)