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LM62440-Q1: Power Good Behavior

ReedKacz
Expert 3677 points

Part Number: LM62440-Q1

Tool/software:

Hi Power Experts -

I am writing to seek further insights and clarification regarding the results of the Power Good Test performed on 3V3 Primary Buck (LM62440BLPQRJRRQ1). Specifically, I would like to understand the reasons behind the observed behavior and whether it aligns with the intended functionality or if further investigation is required.

 

                        

Observation: The PG signal goes high once again to 3.02V for 1.75ms when the output voltage is 3.11V. 

Thanks!