BUY LM2574HVM-5.0 https://www.utsource.net/itm/p/501080.html
SIMPLE SWITCHER⑩ 0.5A Step-Down Voltage Regulator
Description: The LM2574HVM-5.0 is a monolithic integrated circuit in a SOP-14 package. It is a step-down switching regulator with an adjustable output voltage of up to 5.0V. Features: Maximum output current of 3A Adjustable output voltage from 1.23V to 5.0V Low quiescent current of only 10μA Internal soft-start Internal over-temperature protection Internal over-current protection Internal short-circuit protection Applications: Automotive Industrial Medical Consumer electronics Portable devices (For reference only)