DC to DC converter circuit in the car, car stereo mounted 12-volt battery into the tape used direct voltage of 5v, as reduces switching control IC MC34063 (StepUp Inverting Switching Regulator, Down) used. Input voltage: 8v … 40v-printed circuit... Electronics Projects, 12V DC to DC 5V Converter Circuit USB MC34063 "dc dc converter circuit, power electronic projects, " Date 2019/08/03