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UCC28911: re-work EVM for a 15V output

Rocky Chen
Expert 8880 points
Part Number: UCC28911

Hi,

UCC28911 EVM original design is for a 5V output. Could it be slightly re-worked (tune some resistor) to achieve a 15V output?

Thank you!

- Rocky

  • 0
    TI__Expert 8210 points
    Rocky

    Yes, UCC28911 EVM can be modified to have 15V output. More modifications besides adjusting the resistor divider to the VS pin is needed though, the turns ratio of the transformer is recommended to be changed and all the output components (D5, C6, R11, C7, C8, R12) are recommended to be recalculated to make sure they have proper voltage rating.

    We recommend using the excel calculator to determine what the new component values should be UCC28911 www.ti.com/.../sluc624

    Best Regards,
    Eric