The MIW3016 from Total Power International is a DC to DC Converter with Input Voltage 4.5 to 7 V, Output Voltage 1 12 V, Output Current 1 12.5 to 250 mA, Output Power 5000 to 6000 mW, Output Voltage 2 -12 V. Tags: Through Hole, Boost/Step Up. More details for MIW3016 can be seen below.