高效率大功率適配器的研究

摘要：隨著CPU技術的發展，筆記本電腦需要更高功率的適配器。針對下一代大功率適配器，本文提出了一種高效率的拓撲結構，并分析了電路的工作原理，給出了電路參數的選取方法、實驗波形和結果。實驗結果表明此類適配器具有高效率、高功率因數、及低成本等優點。 敘詞：適配器；拓撲；功率因數；同步整流 Abstract：With the development of CPU technology, high power adaptor is needed for notebook computer. For next generation high power adapter, a topology structure achieving high efficiency is presented in this paper. The operation principle and parameter selection of the adapter are analyzed. The experiment result shows that the adapter owns the advantages of high efficiency, high power factor, and low cost. Keyword：adapter，topology，power factor，synchronous rectifier