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200W 非隔离恒流驱动 输入90--277V 输出400V/0.5A APFC输出电压670V L6562A
200W 非隔离恒流驱动 输入90--277V 输出400V/0.5A APFC输出电压670V L6562A 附件是电路图 现主要问题是:APFC输入90V时MOS管(超结15A/650V)2分钟就到100度。后级电路没有问题。PFC电压PQ2618 主绕组60TS 500uH,副绕组2TS(VCC电源)+5TS(过零检测)/upload/community/2019/01/12/1547260175-59941.pdf![](https://dianyuan-public.oss-cn-shenzhen.aliyuncs.com/t/community/2019/01/12/1547260283-20777-600.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
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