高效率大功率適配器的研究

摘要：隨著CPU技術(shù)的發(fā)展，筆記本電腦需要更高功率的適配器。針對(duì)下一代大功率適配器，本文提出了一種高效率的拓?fù)浣Y(jié)構(gòu)，并分析了電路的工作原理，給出了電路參數(shù)的選取方法、實(shí)驗(yàn)波形和結(jié)果。實(shí)驗(yàn)結(jié)果表明此類適配器具有高效率、高功率因數(shù)、及低成本等優(yōu)點(diǎn)。 敘詞：適配器；拓?fù)洌还β室驍?shù)；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