BUY LM2576S-ADJ https://www.utsource.net/itm/p/382156.html
SIMPLE SWITCHER 3A Step-Down Voltage Regulator
Description:
The LM2576S-ADJ is a monolithic integrated circuit in a TO263 (NS) package. It is a step-down switching regulator with an adjustable output voltage range of 1.23V to 37V.
Features:
Output voltage adjustable from 1.23V to 37V
Output current up to 3A
Internal frequency compensation
Internal short-circuit current limit
Internal thermal shutdown
Low quiescent current
Low ripple and noise
High efficiency
Applications:
Battery-powered systems
Automotive systems
Portable equipment
Telecom systems
Industrial control systems
DC-DC converters
(For reference only)