Product DescriptionThis is a tiny, powerful step-down (Buck) switching voltage converter with a wide operating range. This device is about the size of a US Quarter. :Specifications IC Chip: Monolithic Power Systems (MPS) MP1584EN Input Voltage: 4.5V to 28V Output Voltage:0.8V to 20V Output Current: 1.8 A typical (3.0 Max) Output Ripple Frequency: 340 KHz Ripple Voltage: 30mV Output Accuracy: +/-