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ucc28950输出波形异常

frank yan
Prodigy 30 points
Other Parts Discussed in Thread: UCC28950

请帮忙看一下为什么IC会有误输出的现象，在burst mode中，偶尔会出现C管驱动信号错误地提前开启UCC28950波形图(好坏对比).docx，使得原边绕组连续两次同一方向励磁，导致二次侧SR管的应力增大。