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跪求tl494可调占空比的PWM典型应用电路图。可发我邮箱louyer@sina.com
亲；数据表里有，下载看一下。目前；许多台式计算机电源是用TL494做的，市场上购一台；就能获得应用实物。
是啊，datasheet 里面有Functional Block Diagram，你可以参考着自己设计啊
