BUY LM2574M-5.0/NOPB https://www.utsource.net/itm/p/9920705.html
IC REG BUCK 5V 500MA 14SOIC
Description: The LM2574M-5.0/NOPB is a monolithic integrated circuit in the SOT-223 package. It is a step-down switching regulator with an adjustable output voltage of up to 5.0V. Features: - Output voltage adjustable up to 5.0V - Low quiescent current - Internal current limit - Internal thermal shutdown - Low output ripple - Low cost Applications: - Battery-powered systems - Automotive systems - Industrial systems - Telecommunications systems - Portable electronics (For reference only)