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LM2679: Where do i Connect TAB (TO-263)?

Marin Milovac2
Prodigy 20 points
Part Number: LM2679

Hi,

I am probably going to use LM2679SX-ADJ/NOPB regulator for my 7V project. Since i want to use TO-263 version, my only question which is not answered in the datesheet is where do i connect the TAB of this package? In datasheet it is clearly visible for VSON package, but it is not specified for TO-263. Is it NC?

Best regards,
Marin Milovac

  • 0
    TI__Guru 66925 points

    The tab must me connected to the ground plane.

    This provides both an electrical and a thermal connection to the ground plane/heat sink.

    Webench can supply a typical PCB layout as well as the one shown in the data sheet

    Thanks