The MDW1016 from Total Power International is a DC to DC Converter with Input Voltage 4.5 to 9 V, Output Voltage 1 12 V, Output Current 1 21 to 83 mA, Output Power 2000 mW, Output Voltage 2 -12 V. Tags: Through Hole, Boost/Step Up. More details for MDW1016 can be seen below.