Inverting regulator IC MC34063 1.5 Amps step-up/down converter circuit based on PIC Programmer used as separate sections of the supply section can be used for different applications. probably little more than 60mA of power can be taken? :) I... Electronics Projects, 5V to 20V DC DC Converter Circuit MC34063A USB "dc dc converter circuit, power electronic projects, " Date 2019/08/01