The PKU4611A from Flex Power Modules is a DC to DC Converter with Input Voltage 36 to 60 V, Output Voltage 1 5 to 6 V, Output Current 1 12 A, Output Power 60000 mW, Isolation Voltage 2250 Vdc. Tags: Surface Mount, Buck/Step down. More details for PKU4611A can be seen below.