The MEE1S0312DC from Murata is a DC to DC Converter with Input Voltage 2.97 to 3.63 V, Output Voltage 1 12 V, Output Current 1 83 mA, Output Power 1 W, Isolation Voltage 1000 V. Tags: Through Hole, Boost/Step Up. More details for MEE1S0312DC can be seen below.