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LM5156H-Q1: Short-term power failure

Grey Guo
Intellectual 1210 points
Part Number: LM5156H-Q1
Other Parts Discussed in Thread: LM5156-Q1

Tool/software:

Hi team,

My customer is using LM5156-Q1. They want to know whether a short-term (100us) power failure (Vsupply drop) will affect secondary output. Could you share some comments? Thanks!

Best Regards

Grey

  • +1
    TI__Genius 13415 points

    Hi Grey,

    Thanks for reaching out.

    This depends on to which level the input voltage drops. If the device can still operate, the output will not be affected. When the drop is too big and the device stops operating, then also Vout will drop. How much, then depends on the load.

    Best regards

    Moritz