This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

UC3842: 反激开关电源设计

Part Number: UC3842

你好,一般设计反激开关电源,输入认为是AC100-264V,用最大值和最小值设计电感匝比和最大占空比,但是我要设计的反激开关电源前面输入是升压式PFC,PFC输出是400v左右的直流电压,也就是说反激电源的输入是一个直流400v电压,不再是AC100-264V了,请问这个时候应该怎么设计反激开关电源啊