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UCC28704: PMP11600 Design Queries

Shrikant Bhairavkar
Prodigy 10 points
Part Number: UCC28704
Other Parts Discussed in Thread: PMP11600

I need support for UCC28704 based PMP11600 design. In the design I don't see any provision for over voltage protection for SMPS.

Do you have any reference which will help to turn off device or supply at voltage above 275VAC or 300VAC.

  • 0
    TI__Expert 7080 points

    Hi Shrikant,

    What you said over voltage protection is input voltage OVP , or output voltage OVP ?

    UCC28704 don't has input voltage OVP but has Output voltage OVP .  it detect the Vout through VS pin. OVP point is 115%Vout_reated .

    details setting of VS pin please find in datasheet page 10.

    Thanks.