Mini MP1584 DC-DC 3A Adjustable Buck module

Input Voltage: 4.5 V to 28 V  Output Voltage: 0.8 V to 20 V (adjustable)  Output Current: 3 A (max)  Efficiency: 96% (max)  Switching Frequency: 1.5 MHz (highest), typically 1 MHz  Output Ripple: < 30 mV  Operating Temperature: -45 ℃ to 85 ℃  Size: 22 x 17 x 4 mm