Description: Converting 12V to 5V/3A buck voltage power supply board, and USB charger. With reverse polarity protection, meaning the module would not burn when wires are connected reversely. There are multiple protections, such as short circuit, overflow current, overheat. Synchronous rectification, high conversion efficiency and low heat. Mini size,3A large current output, with USB port,identification resistance,easy to give digital products charge. Specification: Material: Metal Size: 30 * 20 * 12mm/1.18 * 0.79 * 0.47 inch Input voltage: 4.75-22V Output voltage: 1-20V Output current: 0-3A Operating temperature: -40 to 85 degrees Operating frequency: 340KHz Wiring method: welding, IN for input, USB for output The module can be used in two strings, three strings, four strings of lithium batteries to 5V output For general digital product charging, such as mobile phones, Ipad, MP3, PSP and so on The System equipment buck: 12V to 3.3V, 12V to 5V Package Includes: 1 Piece DC-DC Buck Converter Moduel
