BUY LM2576HVT-ADJ https://www.utsource.net/itm/p/1103557.html
SIMPLE SWITCHER 3A Step-Down Voltage Regulator
Description: The LM2576HVT-ADJ is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator, 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 of 3A
Internal frequency compensation
Internal short-circuit current limit
Internal thermal shutdown
Low quiescent current
Low profile TO-220 package
Applications:
Battery-powered systems
Automotive systems
Industrial systems
Telecom systems
Portable systems
High-efficiency DC/DC converters
(For reference only)