The PH75A280-48 from TDK Corporation is a DC to DC Converter with Input Voltage 38.4 to 52.8 V, Output Voltage 1 48 V, Output Current 1 1600 mA, Output Power 76800 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck-Boost. More details for PH75A280-48 can be seen below.