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TPS543B20: About Remote Sensing With Feedback Resistors accuracy

Tsukui Yusuke
Guru 21930 points
Part Number: TPS543B20

Hi,

Could you tell me about Remote Sensing With Feedback Resistors?

In this configuration, the accuracy of Vref is 0.5% ＠Tj=-40 to 125℃.
Is my understanding correct?
Customers want to know how to think about accuracy when using Feedback Resistor.






Best Regards,

Yusuke

  • 0
    TI__Intellectual 2460 points

    Hello Yusuke-san,

    The accuracy of Vref is still the same as on EC table. However, the output voltage accuracy will be higher than +/-0.5% due to the tolerance of external resistor divider network. The resistor tolerance can be find in 0.1%, 0.25%, 0.5%, 1% or more options.

    Kit