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This 40W high power DC-DC Buck converter offers a 6~14V input voltage range and up to 5V/8A output. Featuring a small body, high conversion ratio, strong heat dissipation, and large current output, the module is compatible with all 5V main-boards, and can work as an SMD element to be directly soldered onto PCB. With steady output, this buck converter is able to work for a long time without voltage shift, which can be suitable for projects of high requirements like smart homes, small robot car power sources, etc.