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TPS51124的电感出现滋滋的声音

Other Parts Discussed in Thread: TPS51124

+V5SB&+V3.3EC.pdf

  TPS51124转出3.3V与5V, 当开机是不是有滋滋声音,当进入系统的时候回出现滋滋的声音,完全进入系统,跑burntest又没有滋滋声音,用示波器去抓电感的波形,也是正常的。