AN-1077 데이터 시트보기 (PDF) - International Rectifier

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AN-1077

PFC Converter Design with IR1150 One Cycle Control IC

International Rectifier 

Voltage Feedback Loop .......................................................................12

Voltage Loop Compensation...........................................................14

Design Tips ..........................................................................................16

IC Decoupling Capacitor .................................................................16

Inductor Design...............................................................................16

Gate Drive Considerations..............................................................17

PCB Layout.....................................................................................17

Additional Noise Suppression Considerations ................................18

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.

www.irf.com

AN-1077

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