BUY MP3402A https://www.utsource.net/itm/p/8963013.html

The MP3402A is an integrated circuit (IC) from Monolithic Power Systems (MPS) in a small outline package (SOP) 8-pin form factor. It is a high-efficiency, synchronous, step-down DC-DC converter. Features: Input voltage range: 4.5V to 28V Output voltage range: 0.8V to 20V Output current up to 2A High efficiency up to 95% Adjustable switching frequency up to 2MHz Programmable soft-start Internal compensation Over-temperature protection Over-current protection Short-circuit protection Thermal shutdown Applications: Portable electronics Telecom/Networking Automotive Industrial Battery-powered systems Point-of-load (POL) regulation (For reference only)