Keywords: Push-pull converter schematic.svg Circuit diagram of a push-pull DC to DC converter This is used in battery-powered electronic devices such as laptops to convert DC power to a higher voltage The switches left represent pairs of switching transistors with the driving circuits omitted They are switched simultaneously at a high frequency of 10 - 80 kHz They switch the DC input current through the transformer primary in alternate directions so the primary current is a square wave The secondary current is rectified to DC by the diode bridge rectifier right 2007-01-30 User Wykis Public domain w en Image Push_pull_circuit png Push-Pull converters Electrical power conversion diagrams |