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LM5105: PSpice simulation - dead time doesn't change

Nir Flysher
Expert 3287 points
Part Number: LM5105

Dear Team,

Could you please help with my customer question below ?

When I ran the PSpice model the dead time doesn’t change even if I change the RDT resistor. Is this correct behavior ?

Best regards,

Nir.

  • 0
    TI__Mastermind 21495 points

    Hello Nir,

    Thank you for the interest in the LM5105. When confirming the dead time of the driver, be sure and look at the driver outputs and the dead time, and not just the power train switch node. The power train waveform is also dependent on the topology, load and current flowing in the output filter.

    Let me know after you confirm the driver outputs, if you still see a concern and I can further investigate.

    Regards,