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TPS53353: IVFB conditions

Yuta Nishie
Genius 4955 points
Part Number: TPS53353

Hi,

Why is the VVFB value listed in the IVFB conditions of the data sheet 0.63V?

Best Regards,

Nishie

  • +1
    TI__Expert 5310 points

    Hi Nishie,

    The TPS53353 has an internal reference voltage of 0.6V, so the value of VVFB will be 0.6V in a closed-loop configuration. The value of 0.63V listed in the IVFB conditions was measured forcing the feedback voltage to 0.63V in an open-loop test environment and then measuring the resulting current. That is why the 0.63V value is listed in the IVFB section. 

    Regards,

    Alec Biesterfeld