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LM25575 Power Pad

Guru 10890 points

Replies: 1

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Hi, My customer has question about LM25575. Could you tell us about question?

 Q: Is Power pad direct connected to AGND and PGND in internally ?

Best Regards,

tateo

  • Hi,

    The exposed pad is connected to the back side of the silicon for heat dissipation purpose. I don't think it is electrically connected to AGND or PGND on the die. It is recommended to have a good connection to the ground copper on top the PCB,. also vias to other layers of PCB, to have the best possible thermal dissipation path.

    Regards,

    Yang

    TI Wide Vin Buck Converter & Controller Applications Engineer

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