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ADP5300 : Apply an output voltage

Question asked by Guillaume76 on Feb 17, 2018
Latest reply on Mar 6, 2018 by Guillaume76



I'm using the ADP5300 and 2 alkaline cells to power my board.


I have a question regarding a special case :

When programming/debugging the mcu, the board is powered from the debug probe and a voltage is applied at the output of the ADP5300, with no input voltage present.



According to the datasheet, the maximum SW to PGND voltage is −0.3 V to PVIN + 0.3 V.

So this is not fulfilled if an output voltage is applied and PVIN is left floating or connected to ground.


Should I expect any trouble here ? Is there something I should do to avoid damaging the converter ?