Spesifikasi : Model : MP1584 Name : DC-DC step-down module Input Voltage : 4.5V ~ 28V Output voltage : 0.8V ~ 20V Output Current : 3A (Max) Conversion efficiency : 96% (maximum) Output Ripple : 30mV Switching frequency : 1.5MHz (highest) typically 1MHz Operating Temperature : -45C ~ +85C Size : 22mm * 17mm (L * W ) Application areas : DIY mobile power, monitor power supply, power buggies, camera power supply, car power, communications equipment supply, etc.