BUY LM2593HVS-ADJ https://www.utsource.net/itm/p/1837730.html
SIMPLE SWITCHER Power Converter 150 kHz 2A Step-Down Voltage Regulator, with Features
Description: The LM2593HVS-ADJ is a high efficiency, adjustable, step-down DC-DC switching regulator. It is designed to deliver up to 3A of output current with an input voltage of up to 40V. Features: 3A Output Current Wide Input Voltage Range: 4.5V to 40V Adjustable Output Voltage: 0.8V to 37V High Efficiency: Up to 95% Low Quiescent Current Internal Soft-Start Internal Frequency Compensation Internal Over-Current Protection Internal Thermal Shutdown Applications: Automotive Industrial Portable Electronics Battery-Powered Systems LED Lighting (For reference only)