BUY XL4501E1 https://www.utsource.net/itm/p/9494385.html

Description: XL4501E1 is a high performance synchronous buck DC/DC converter with an input voltage range of 4.5V to 28V and an output voltage range of 0.8V to 20V. Features: High efficiency up to 95% Low quiescent current Wide input voltage range Output voltage adjustable Over-temperature protection Over-current protection Short-circuit protection Soft start Application: The XL4501E1 is suitable for applications such as notebook computers, LCD monitors, set-top boxes, and other portable devices. (For reference only)