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LM5069: power limit value

Given Ding
Genius 10115 points
Part Number: LM5069

Hi team, 

In my customer's application, Rpwr=100kohm, that is power limit is 800W. Rsns=1mohm. 

But during startup, it seems the power limit is at only ~400W. Is is reasonable? I see there is accuracy but not sure if such high different is caused by accuracy. Thanks. 

BRs

Given 

  • 0
    TI__Guru** 105361 points

    Hi Given

    Do you mean that 400W power limit is observed for 800W power limit setting ? It could be due to the device starting in dvdt startup mode.

    Can you share schematic, startup waveforms.

    Best Regards, Rakesh