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UCC2897A: Inquiry the solution to turn off the UCC2897A skipping mode

Eric Lai
Expert 4940 points
Part Number: UCC2897A

Hi Expert,

In customer design,they do not like the skipping mode.

The engineer is asking the solution to turn off the UCC2897A skipping mode.

Pls advice.

Best regards,

Eric Lai

  

Field Application Engineer

Texas Instruments Taiwan Limited

O: +886-2-2175-2582

M: +886-909-262-582

E-Mail:Eric.Lai@ti.com  

  • 0
    TI__Expert 7080 points

    Hi Eric,

    We can't disable the skipping mode, since the skipping mode is triggered by FB pin voltage lower than 2.5V. Such as at load transient and light&No load conditions.

    We need this function to regulate output voltage.

    But if you don't want skipping mode , you can use SR solution on secondary side. SR will not let FB pin lower than 2.5V. so skipping mode will not be triggered.

    Hope can help you.

    Thanks.