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Original question:

TPS55340: TPS55340 design

TPS55340: inquiries using external PWM signal.

robin Moon
Expert 1065 points
Part Number: TPS55340

Hi 

I have further inquiries about the content guided by the link below

my customer want to change Vout 10.6v to 16.6v.

What are the factors that determine R1, R2, R3? If you have a formula,  please share.

and then, is Rs required? please explain the purpose of Rs.

thanks.

  • 0
    TI__Mastermind 21720 points

    Hi Robin,

    Thanks for reaching out with your question and for considering the TPS55340 in your design.

    For the TPS55340 The resistor RS is not needed. The other values are going to be dependent on the range that of the signal being used to change the output voltage. What is the minimum and maximum value that is going to be used to change the output voltage?

    Thanks,

    Garrett