All I could do is repeat what the datasheets recommend and the application notes.so if you could give some more detailed advice i would be grateful.
Hi,
Traces ... wires ... can not replace a Ground plane. I (and others) already discussed this here many times. Just do a search.
All I could do is repeat what the datasheets recommend and the application notes.
But if I'd do it ... it takes time for both of us and it will not be that complete and detailed.
Thus I recommend you work through them ... and for sure we will be there to help you with some details.
Klaus
Hi,
Please post a link to the document that describes this "splitting the ground".
I don't think it's a good idea.
Klaus
C25 needs 1uF 50V MLCC across it - right by the pins of the GD IC ...
Tell me what´s the new undershot with the new PCB layout. I bet it´s much better now. (But do a reference measurement not to see false undershot)I noticed that by r19 i can drasticly reduce undervoltage shots when low switch goes off - this is the thing that Easy peasy said about. BTW in my first revision, i had -6V undervoltage shots on VS with 60V power supply... That was crazy...
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