How to step-up or step-down dc supply? All Questions › Category: Power Electronics › How to step-up or step-down dc supply? 0 Vote Up Vote Down Chetan Shidling Staff asked 5 years ago I need short information. 1 Answers 0 Vote Up Vote Down Chetan Shidling Staff answered 5 years ago By using the chopper circuit we can step-up or step-down dc supply.