PFC Converter Design with IR1150 One Cycle Control IC

This Application Note describes the design methodology of a Continuous Conduction Mode Power Factor Correction circuit utilizing a boost converter and featuring the IR1150S PFC IC. The IR1150 is based on International Rectifier’s proprietary “One Cycle Control” technique for PFC converter control. This application note presents a complete, step-by-step, design procedure including converter specifications and necessary design tradeoffs.