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TPS54618启动电压波形异常

Other Parts Discussed in Thread: TPS54618

TPS54618在5V转3.3V/2A(max)使用中启动电压波形异常,初始阶段电压纹波很大,并且电感有啸叫声,能否帮忙看一下是什么原因导致这样的问题,谢谢。