DC to DC Converter

Chopper

Step Down and Step Up Choppers

Control StrategiesTime Ratio Control

Constant frequency operation Variable frequency operation

Current limit control Constant frequency operation

Variable frequency operation

Current limit control

Step Down Chopper

Waveform for the R load

Waveform for the continuous current mode with RL load

Step Up Chopper

Type A chopper

Type B chopper

Type C chopper

Type D chopper

Type E chopper