基于UC3844控制的雙管正激式變換器在電動自行車充電器中的應(yīng)用

摘要：設(shè)計一種恒壓充電器，本質(zhì)是由UC3844控制的雙管正激式開關(guān)電源，本文給出了主電路和控制電路的拓?fù)浣Y(jié)構(gòu)，并對其工作原理進(jìn)行了詳細(xì)分析，通過實驗對其效果進(jìn)行了驗證， 達(dá)到設(shè)計要求。 敘詞：UC3844；雙管正激式開關(guān)電源；充電器 Abstract： The design of a constant voltage charger, which is a sort of dual-transistor forward switching power supply realized by UC3844 as a core unit, is presented. The topologies of main circuit and control circuit are provided under exhaust analysis in principles, Good agreement is achieved between predictions and measurements, and all the technical indexes are fulfilled. Keyword：UC3844dual-transistor forward switching power supplycharger