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Tool/software:
I'm looking at implementing the LMZ14201 or the LMZ14201H in an inverting (negative voltage) configuration and after looking at (AN-2027 Inverting Application for the LMZ14203 SIMPLE SWITCHER® Power Module), and a sample design from TI power designer, there seems to be a discrepancy with which a Schottky diode at the output is not included in the appnote but on TI power designer.
Is this diode necessary?
Thank You,
Mergon
Hi Mergon, sorry for the confusion.
The diode isn't always needed, but recommended.
Section 7.4 in the below appnote goes into detail on why it maybe needed in your design.
Thanks for your response and the appnote, it really helped me figure out what to do.
We are using this as the negative rail of an op-amp so we will need to include that diode.
Best Regards!