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DCR010503 問題

Other Parts Discussed in Thread: DCR010503, ISO15, ISO124, DCR010505
你好 

我用UCC28910 输入市电,输出正负5V,如PMP9608参考设计,
再接DCR010503做转3.3V做隔离电源, 做了几组电路,发现部分几块电路输出电压有些异常现象,
送电一开始5V电压会先上升至3V多,过几秒才稳在5V, 将问题电路的DCR010503移开,
单独UCC28910电路加负载测试,电压正常稳压就没这种状况发生