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  • LM5071: Can the LM5071 handle boosting?

    Resolved
    Part Number: LM5071 Other Parts Discussed in Thread: PMP22301 I'm adding dual ethernet to an existing product. POE is one of the design requirements. The system is typically powered by 24 VDC (wall wart or similar). Total system power is no more than…
    • Resolved

  • RE: LM5071: LM5071

    Hi Sundaramoorthi, Since we did not get back from you for a long time. I will close this thread for now. Please reply or open a new thread if you have further questions. Best regards, Diang
    • Answered

  • RE: LM5071: Application clarification

    Resolved
    Hi Gerald , Since your question has been answered, I will close this question for now. If you have any further questions, please open a new thread and we will be glad help you! Best regards, Diang
    • Answered

  • LM5071: LM5071 multiple output reference circuit, and (generally) adjusting 5V to 5.5V on POE-PD Flyback designs

    Resolved
    Part Number: LM5071 Other Parts Discussed in Thread: PMP11107 , TPS23753 , TPS23730 , TPS23753A , TPS23731 , TPS23734 , TPS23758 , TPS23758EVM-080 , TPS23731EVM-095 Hello, We are designing POE (as a PD) onto several circuit cards of a new machine design. FYI…
    • Resolved

  • LM5071: flyback transformer design for low power isolated PD

    TI Thinks Resolved
    Part Number: LM5071 Other Parts Discussed in Thread: TPS23755EVM-894 , TPS23754 Hello, We are using LM5071 & LM5072-80 for small power (less than 12V/0.8A) design. Due to the mechanical limitation, we have to use low profile transformer such as Coilcraft…

  • LM5071: Using in 3rd mode (min ripple) with transformer primary winding as inductor; not working at all

    TI Thinks Resolved
    Part Number: LM5071 We are using LM5071 part in 3rd mode (min ripple configuration) for the rating 6V,0.6A. We are using transformer primary winding as an inductor for the same. Below are some detials - VIn= 24V Vout= 6V, 0.6A Fsw= 580Khz (RON=115K). …

  • LM5071: LM5071 Eval Board unstable when changing to DA2383-ALD Transformer

    TI Thinks Resolved
    Part Number: LM5071 Hi there, I know that the LM5071 has already been active for quite a while and that the corresponding Evalboard is quite an old design. Nebertheless, I hope to get some help, as you might have experience with this issue. We are using…
    • Answered

  • LM5071: LM5071 - configure to non-isolated buck topology without Temp compensation

    Resolved
    Part Number: LM5071 Hi E2E, Our csutomer want to configure LM5071 to non-isolated topology, like Figure 18 in datasheet, but they want to remove Q2 + Temp comp. How to modify the circuit for the portion of feedback? does just put feedback resistor divider…
    • Resolved
    • Answered

  • LM5071: AN 1430 reference design

    Resolved
    Part Number: LM5071 Hi We have an existing design based on LM5071 and the DA2257 transformer to give a 3V3 output, based on the AN1430 app note, fig 12. We now want to add a 5V5 rail by using Sec2 from T1 (pins 6 & 10). We built it, and it does give…
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    • Answered

  • LM5071: Longevity of supply

    Resolved
    Part Number: LM5071 Other Parts Discussed in Thread: TPS23753A Hi, we have an existing design using the LM5071 PoE IC and are looking to update the product. To de-risk the venture we are looking to see if we can use the existing PoE circuit and if there…
    • Resolved

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