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TPS54302: Question for maximum feedback resistor divider for TPS54302 and TPS54331

Jacky Wang(QD)
Genius 9950 points
Part Number: TPS54302
Other Parts Discussed in Thread: TPS54331,

Hi Team,

Our customer is evaluating TPS54302 and TPS54331 for 22V to 12V application, in order to minimum the idle current, they want to know what's the maximum feedback resistor divider value allowed for our device? Thanks.

  • 0
    TI__Genius 9280 points

    Hi ,

    Sorry that we don't have this data. 

    There is a balance between idle current and noise effect , as larger feedback resistor will be more sensible  to noise . And for tps54302, the upper resistor was recommend as 100k that means that the current will be uA level . Is it okay for customer ?

    BRs,

    Young