BUY LM2676S-ADJ https://www.utsource.net/itm/p/11243301.html

Description: The LM2676S-ADJ is a step-down switching regulator with a wide input voltage range of 4.5V to 40V. It is capable of delivering up to 3A of output current with excellent line and load regulation. Features: Wide 4.5V to 40V input voltage range High efficiency up to 95% 3A output current capability Low quiescent current Internal soft-start Internal frequency compensation Thermal shutdown protection Output voltage adjustable Applications: Battery-powered systems Industrial systems Automotive systems Portable electronics (For reference only)