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  • PMP22764: PMP22764 Transformer spec request ZB1368-AL

    TI Thinks Resolved
    Part Number: PMP22764 Tool/software: Dear TIer, could you help us to provide the ZB1368-AL datasheet?

  • PMP22764: Zenor diode in flyback application (D7)

    Part Number: PMP22764 Other Parts Discussed in Thread: LM51551 Tool/software: Hi Sir, My customer is designing LM51551 in their isolated flyback circuit. They want to confirm what's the function about D7 in design? And is it possible to change it to…

  • LM51551: [PMP22764 reference design] Change design Vin=12V, Vout=-54V/1.2A

    TI Thinks Resolved
    Part Number: LM51551 Other Parts Discussed in Thread: PMP22764 , PMP Tool/software: Hi TI experts, We referece with PMP22764 design and then meet our requirement (Vin=12V, Vout=-54V, 1.2A). My questions are . Vin change down to 12V, need to change…
    • Answered

  • PMP22764: Output couldn't loading over 60% debugging

    Resolved
    Part Number: PMP22764 Other Parts Discussed in Thread: TL431 , LM51551 Hi Team, I following PMP22764 design a 28Vin/56Vo/100W flyback converter. The schematic is attached below. 28 to 55V schematic with CMC.pdf During the EVT build, I find 3 of…
    • Resolved
    • Answered

  • PMP22764: Mosfet Losses

    Resolved
    Part Number: PMP22764 Other Parts Discussed in Thread: LM5156H , CSD19531Q5A , CSD19534Q5A Dear All, we are designing similar flyback based on PMP22764 with LM5156H IC. e2e.ti.com/.../3929193 I this e2e thread is stated that the PMP22764 was designed…
    • Resolved

  • PMP22764: Input & Output Capacitor and Filter

    TI Thinks Resolved
    Part Number: PMP22764 Other Parts Discussed in Thread: LM5156H Hi All, we are designing a similar flyback converter to PMP22764 with LM5156H and have some questions. 1) Input Capacitor selection and calculation on PMP22764 when we use SNVA866…
    • Answered

  • PMP22764: Efficiency improvement

    Resolved
    Part Number: PMP22764 Hi Team, I'd like to design an DC/DC Vin=20-28V, Vout=55V(For PoE application), Pin=60W at 20Vin, 100W at 28Vin isolated converter. After check the reference design experiment eff around 90%. But, our target Eff is 92%. 1…
    • Resolved

  • PMP22764: LM51561H

    TI Thinks Resolved
    Part Number: PMP22764 Other Parts Discussed in Thread: LM51561H , , LM5155 , LM51551 Hi... One of my customer is want the PSE solution for 54V/1.25A output. We have recommended LM51561H initially & designed the isolated power supply. We are able to…
    • Answered

  • PMP22764: Transformer T1 and Controller Questions

    Resolved
    Part Number: PMP22764 Other Parts Discussed in Thread: LM5033 , LM51551 The PMP22764 uses a Transformer from Coilcraft - ZB1368-AL according to the BOM - but I can't find a Datasheet for this. What is the Transformer's Height...? Also, I am supporting…
    • Resolved

  • PMP22764: Need help to resolve issue with audible noise

    Part Number: PMP22764 Other Parts Discussed in Thread: LM5156 Hi David, Refer e2e thread - https://e2e.ti.com/support/tools/simulation-hardware-system-design-tools-group/sim-hw-system-design/f/simulation-hardware-system-design-tools-forum…

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