The PDS1-S3-D5-M from CUI is a DC to DC Converter with Input Voltage 2.97 to 3.63 V, Output Voltage 1 5 V, Output Current 1 100 mA, Output Power 1000 mW, Output Voltage 2 -5.5 V. Tags: Surface Mount, Buck-Boost. More details for PDS1-S3-D5-M can be seen below.