BUY LM2596T-12 https://www.utsource.net/itm/p/11226608.html
IC REG BUCK 12V 3A TO220-5
Description: The LM2596T-12 is a 3-terminal adjustable step-down switching regulator with a wide input voltage range from 4.5V to 40V. It is capable of driving a 3A load with excellent line and load regulation. Features: Wide 4.5V to 40V input voltage range Output voltage adjustable from 1.23V to 37V Output current up to 3A Low quiescent current Internal frequency compensation Internal thermal shutdown Internal current limit Low output ripple High efficiency Applications: Battery-powered systems Automotive applications Portable devices Industrial control systems Telecom systems LED lighting systems (For reference only)