Specifications:

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.

Packge included:

10 x Step Down Module