利用TOP Switch設計的開關電源

摘要：　　本文介紹了單片開關電源集成芯片TOP Switch的特點、工作原理、以及在開關電源中的應用，指出了應用過程中需要注意的問題。 敘詞：TOP Switch，單片開關電源，反饋網絡 Abstract：　　This paper introduce the properties, merits and working principle of single-chip IC TOP Switch which is used in switch mode power supply, and a circuit based on TOP Switch is also proposed. Some advertent points are also presented in the end. Keyword：TOP Switch, single-chip switching power supply, flyback network