開關電源主電路拓撲結構的分析與比較

摘要：從功能角度出發對開關電源主電路進行了分類研究，詳細分析了開關電源DC/DC轉換器常規拓撲結構的基本原理及它們的優點、缺點，并對開關電源主電路拓撲結構的選擇依據進行了一些探討。 敘詞：開關電源 主電路 拓撲結構 Abstract：The classification research of switch power circuit from functional perspective.The working principles and characteristics are described in details for conventional topology of the switching power supply DC/DC converter. On the basis of selecting are discussed for the switch power supply of main circuit topology structure.　　　 Keyword：Switching power supply , Main circuit , Topology structure