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  • PMP21479: How to set fixed Vout 12V in the PMP21479 design?

    TI Thinks Resolved
    Part Number: PMP21479 Hi, My customer would like to evaluate the PMP21479 with fixed output 12V. Would you please guide how to adjust the output voltage to 12V in the PMP21479 design? Customer wants to evaluate the performance of ACF. Best regards…

  • PMP21479: component change suggestion for the PMP21479 schematic to work with DC input from 300Vdc to 450Vdc

    Part Number: PMP21479 Hi, Customer would like to check the operation and behavior of this EVM board with DC input range from 300Vdc to 450Vdc for the server power aux application. Do you have any component change suggestion for the PMP21479 schematic…
    • Answered

  • PMP21479: Some questions about schematic diagram

    Resolved
    Part Number: PMP21479 Other Parts Discussed in Thread: UCC28780 , , UCC28782 , UCC24612 Hello! I'm designing a 72W power supply/battery charger (with CV/CC output control) based on UCC28780, and I'm looking at the PMP21479 as a starting point. Can…
    • Resolved
    • Answered

  • PMP21479: PMP21479 230VAC efficency issue

    Resolved
    Part Number: PMP21479 My customers report that the 230VAC light load efficiency needs to be improved, can we provide countermeasures?
    • Resolved
    • Answered

  • PMP21479: CAD-file

    Resolved
    Part Number: PMP21479 Good Day! I would like to assemble a power supply based on PMP21479 . Where can I get it CAD-file? Thank you so much!
    • Resolved

  • PMP21479: Peak load spec

    TI Thinks Resolved
    Part Number: PMP21479 Other Parts Discussed in Thread: UCC28780 , If we don't need PD solution, only a simple 65W 19V output adaptor, can it handle 200% peak load for 2mS?
    • Answered

  • [FAQ] PMP21479: What is the advantage of the active clamp flyback over a quasi-resonant (QR) flyback?

    Resolved
    Part Number: PMP21479 Other Parts Discussed in Thread: UCC28780 , What is the advantage of the active clamp flyback over a quasi-resonant (QR) flyback?
    • Resolved
    • Answered

  • [FAQ] PMP21479: What are the trade-offs between using Gallium Nitride (GaN) versus Silicon (Si) FETs in an active clamp flyback?

    Resolved
    Part Number: PMP21479 Other Parts Discussed in Thread: UCC28780 , LMG3411R150 What are the trade-offs between using Gallium Nitride (GaN) versus Silicon (Si) FETs in an active clamp flyback?
    • Resolved

  • RE: UCC28780: It seems that a disturber came in

    Hiroshi-san You are correct, in order to achieve small solution size and have high efficiency an active clamp flyback will have to be used instead of a QR flyback. The size of the adapter is dependent on the switching frequency. To achieve small solution…

  • RE: PMP8878: input DM CM filter

    Hi Anoop, Your E2E post was only just today brought to my attention and let me start by apologizing for the unacceptable long delay you've experienced. E2E threads are most easily filtered and assigned to experts according to TI part numbers listed…

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