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LM25085: LM25085 100% Duty cycle

Hugo Liu
Genius 5095 points
Part Number: LM25085

Hi Sir,

we are look for LM25085 100% Duty cycle solution for  12V~26V to 12V/5A application.

But the TI WEBENCH show the "Calculated duty cycle exceeds limit".

is LM25085 right solution for this application? or any suggest Synchronous Buck?

Hugo

  • 0
    TI__Mastermind 23845 points
    HI,

    This could be because there is Rds on of the MOSFET that Webench taken into calculation.
    You might want to increase it to 12.5V or so for the sim to run.

    As far as datasheet, it is capable of running 100% duty cycle as one of the feature.

    Thanks
    -Arief