The PRM3W-E12-D15-S from CUI is a DC to DC Converter with Input Voltage 4.5 to 36 V, Output Voltage 1 15 V, Output Current 1 100 mA, Output Power 3000 mW, Output Voltage 2 -15 V. Tags: Surface Mount, Buck-Boost. More details for PRM3W-E12-D15-S can be seen below.