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TPS55340EVM-147: Dynamic overshoot is too large. how to reduce it?

user5827790
Prodigy 70 points
Part Number: TPS55340EVM-147
Other Parts Discussed in Thread: TPS55340

Hi teams,

1，In the process of testing EVM, I found that the output voltage has a large overshoot in the dynamic process, how to reduce it？

2，What are the advantages of SEPIC compared to zeta?

Best regards

  • 0
    TI__Expert 7450 points

    Hi,

    1. What dynamic process are you looking at?

    2. SEPIC has continuous input current so less conducted emission. Also, SEPIC uses low side switch that simplifies the driver. In this case, TPS55340 only integrates low side FET so it can be used for SEPIC but not for ZETA.

    Thanks,

    Yinsong