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LM5163-Q1: ISO16750 input 4.5V drop

Aivaras Sakauskas
Intellectual 1410 points
Part Number: LM5163-Q1

Hi,

The questions is related to the ISO 16750 standard where there is a momentary drop to 4.5V. How would the output react to the voltage drop?

Thank you

  • 0
    TI__Mastermind 30430 points

    Hello,

    Device would continue to operate down to vin uvlo at 100% duty cycle assuming vout setpoint is higher than vin voltage. When vin falls below vin uvlo, which I assume is somewhere around 6V based on minimum input voltage specification of 6V, then device stops switching and output stops trying to regulate to output set point.