The PH-A280 Series from TDK Corporation is a DC to DC Converter with Input Voltage 200 to 425 V, Output Voltage 1 3.3 to 48 V, Output Current 1 1100 to 60000 mA, Output Power 49500 to 600000 mW, Output Voltage 2 2.97 to 57.6 V. Tags: Surface Mount, Buck/Step down. More details for PH-A280 Series can be seen below.