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电磁兼容

Other Parts Discussed in Thread: TPS5430

使用TPS5430,按照数据手册的典型布线图,结果电磁兼容不能通过,150M到200M间超标,后增加一只100P的电容,接在8脚到地间就通过了,不知增加这个电容对TPS5430有无影响?