BUY LM2575T-3.3 https://www.utsource.net/itm/p/11229582.html

Description: The LM2575T-3.3 is a monolithic integrated circuit in a TO220-5 package, which is a step-down switching regulator with an adjustable output voltage of 3.3V. Features: Wide input voltage range: 4.5V to 40V Output current up to 1.5A Internal frequency compensation Internal short circuit current limit Thermal shutdown Low quiescent current Output voltage adjustable Applications: Battery-powered systems Automotive applications Portable equipment Power supplies DC/DC converters (For reference only)