Mini MP1584EN DC to DC buck converter module with a wide operating rangeInput voltage: 4.5 V to 28 V;
Output voltage: 0.8 V to 20
VOutput current: 3 A (maximum);
Conversion efficiency: 92% (maximum)
Output ripple: less than 30 mV;
Switching frequency: 1.5 MHz (highest) typically 1
MHzOperating temperature: -45 to 85;
Size: 22 mm by 17 mm by 4 mm;
Warning: do not reverse the positive and negative terminals to avoid any possible damage; Do not use light load (less than 10% of output power) or without load