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12V 10A输出方案选择

Other Parts Discussed in Thread: UC3842, UCC28019, UCC25600, UCC28600, UC2843, UCC28061, UCC38C44

我想做一款交流市电输入,输出12Vdc,120W的电源,初步选择的方案是pfc+flyback,后来经过计算,发现在满载输出的时候次边峰值电流过大,现在我在PFC+flyback或者pfc+正激两种方案间犹豫,请求您们帮忙,目前我选的芯片是UCC28019(pfc),UC3842,请指教!