Mini MP1584EN DC/DC Step Down Converter Step Down Module with Wide Operating Range Input Voltage: 4.5V to 28V; Output voltage: 0.8 V to 20 V Output current: 3A (maximum); Conversion efficiency: 92% (maximum) Output ripple: less than 30 mV; Switching frequency: 1.5 MHz (highest), typically 1 MHz Operating temperature: -45 to 85; Size: 22mm by 17mm by 4mm; Warning: Do not reverse the positive and negative terminals to avoid possible damage; Do not use light load (less than 10% output power) or no loadMini MP1584EN DC/DC Step-Down Converter Step-Down Module with Wide Operating RangeInput Voltage: 4.5V to 28V; Output voltage: 0.8 V to 20 V Output current: 3A (maximum); Conversion efficiency: 92% (maximum) Output ripple: less than 30 mV; Switching frequency: 1.5 MHz (highest), typically 1 MHz Operating temperature: -45 to 85; Size: 22mm by 17mm by 4mm; Warning: Do not reverse the positive and negative terminals to avoid possible damage; Do not use light load (less than 10% output power) or no load Feature: Model / Name: DC-DC Step-Down Module Output Current: 3A (Max) Output ripple: