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LMZM33606: Connection destination GND of SYNC/MODE pin

user1327458
Prodigy 45 points
Part Number: LMZM33606

Hi ALL,
In the data sheet, the GND connected to the SYNC/MODE pin is described as AGND.
However, it is PGND in the schematic (Figue6) of LMZM33606EVM.

Which is correct, AGND or PGND?
Is there no problem with either?

  • 0
    TI__Mastermind 43730 points

    Hi,

    The SYNC/MODE pin can be connected to either AGND or PGND. AGND and PGND are internally connected so they are effectively the same node.

    The reason why it was recommended to connect to AGND is because AGND is less populated with noise from the power signals.

    However for SYNC/MODE feature, I don't think it would be an issue connecting to either AGND or PGND.

    Regards,

    Jimmy