The PDM1-S5-S5-S from CUI is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 5 V, Output Current 1 200 mA, Output Power 1000 mW, Isolation Voltage 1500 VDC. Tags: Surface Mount, Buck/Step down. More details for PDM1-S5-S5-S can be seen below.