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UCC256304异常关机

Other Parts Discussed in Thread: UCC256304

UCC256304典型应用,输入100-264V,输出200W。使用中异常关机,轻载时多发,关机后PFC正常,UCC256304VCC正常,断电重启后正常工作,监测芯片外围并未见异常。

但是,UCC256304好像没有可以闭锁的保护机制啊啊啊啊