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TPS548D22 帶載波形異常問題



hi,

    我現在用TPS548D22RVF遇到以下問題:

    Vin=3.8V, Vo=2.8V, Io=30A

    VDD=8V(DC source外灌)

     波行為PIN 對SW pin的波形,想請問有甚麼可能會造成掉波型的現象?

謝謝