Hi!
Is it absolutely necessary to electrically connect the PowerPad to GND or can I just use a heat transfer compound for my prototype?
Thank you!
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The TPS54060 will work fine this way for a prototype. The thermal pad is used mainly for helping improve thermal performance on this part. I'm going to move this to the LDO forum to get the LDO team to comment.
Are you using the TPS54060 to create a +/- output with a coupled inductor? Only to make sure, if you are I will guess by GND you are referring to the GND pin and not the board ground. For this type of application the GND and thermal pad are really connected to -VOUT.
Best Regards,
Anthony