基于TOP233Y芯片的多路输出开关电源

A Switching Power Supply of Multiple Output Based on TOP233Y

介绍了一种采用TOP2 33Y芯片设计的多路输出反激式开关电源 .根据TOP2 33Y芯片的特性给出了单端反激式开关电源的工程设计方法 ,并阐述了PCB印刷线路板的设计要点 .

This paper presents a multi-output switching power supply which is designed by using a chip named TOP233Y.Based on the features of the chip,the paper provides a method for developing a single-ended flyback switching power supply.The design of the external circuit is analysed and discussed,a detailed developing method is put forward.And the paper expounds some key points in reasonably structuring a PCB.