The PKU3510S from Flex Power Modules is a DC to DC Converter with Input Voltage 9 to 36 V, Output Voltage 1 2.97 to 3.63 V, Output Current 1 15 A, Output Power 50000 mW, Isolation Voltage 2250 Vdc. Tags: Through Hole, Buck/Step down. More details for PKU3510S can be seen below.