The DETN01L-12-SC from Mean Well is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 12 V, Output Current 1 4.2 to 42 mA, Output Power 1000 mW, Output Voltage 2 -12 V. Tags: Surface Mount, Boost/Step Up. More details for DETN01L-12-SC can be seen below.