This design comes from Circuit City! () LM2596 is applied to switching power supply, simple and practical anti-interference. See the LM2596 data sheet for specific parameter information. The accessories include the LM2596 buck module circuit schematic + PCB source file and BOM list, the circuit diagram can be opened directly with AD software. The schematic diagram of the LM2596 buck module circuit is as follows: LM2596 buck module PCB source file screenshot: The circuit data download: LM2596 buck module circuit schematic + PCB source file download Serial Ata Cable,Sata Data Cable,Hard Drive Sata Cable,Sata Power Cable Dongguan City Yuanyue Electronics Co.Ltd , https://www.yyeconn.com