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TPS40210 output

David Biondi
Prodigy 160 points
Other Parts Discussed in Thread: TPS40210

Dear all,

 I'm not able to find the eqaution to calculate the voltage output in the TPS 40210  datasheet someone can help me?

I need an output of 60V whit an input of 15V

 

regards

David

  • 0
    TI__Guru 56985 points

    David,

     

    The TPS40210 controller uses a feedback divider to set the ouptut voltage regulation.  The reference at this feedback point (FB) is 700mV (typ)  It is specified on page 3 of the TPS40210 Datasheet in the eletrical specifications table under the heading "Voltage Reference"

    Equation 57 in the design example on page 30 of the datasheet has the equation to set the values of the feedback resistors Rfb (Vout to FB) and Rbias (FB to GND) for a voltage regulator.   It looks like this equation was over-looked in the Application Information section of the datasheet.