The PDM1-S24-D9-S from CUI is a DC to DC Converter with Input Voltage 21.6 to 26.4 V, Output Voltage 1 9 V, Output Current 1 6 to 56 mA, Output Power 1000 mW, Output Voltage 2 -9 V. Tags: SIP, Buck/Step down. More details for PDM1-S24-D9-S can be seen below.