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UCC28950 驱动波形

Other Parts Discussed in Thread: UCC28950

你好  我UCC28950 设定  A B C D 频率100khz

上电炸机  关键是 驱动波形的频率发生了变化 这是为什么 

见图 启动的瞬间波形  粉色 A  绿色 B  蓝色 C  黄色 CS