The PKE5316J from Flex Power Modules is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 43.2 to 52.8 V, Output Current 1 0.63 A, Output Power 30000 mW, Isolation Voltage 1500 Vdc. Tags: Through Hole, Buck-Boost. More details for PKE5316J can be seen below.