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  • LM3478: The LM3478 is not working properly on heavy loads

    TI Thinks Resolved
    Part Number: LM3478 Other Parts Discussed in Thread: LM348 Hi, I am an embedded developer at Thornhill Medical, a company that makes life support devices for military applications. We are currently using the LM3478 IC on of our product as a Flyback power…

  • RE: LM3478: LM3478

    Hello Matta, I have not heard from you for more than two weeks now, so I assume you have found a solution. I am closing this thread now. Please open a new one in case of additional questions. Best regards, Harry
    • Answered

  • RE: LM3478: Ripple

    Resolved
    Hi Piet, I have not seen an update for the last 12 days, so I assume the questions are/or answered and the issue is solved. I close this thread now. If there is still something open reply and the thread will get open again. If you have any other question…
    • Answered

  • LM3478: Startup problems

    Resolved
    Part Number: LM3478 Hi All, I have a question about the LM3478. My customer is designing a circuit that can step-up and step-down. The customer has designed the following circuit based on a simulation circuit on webench. This circuit may not work correctly…
    • Resolved
    • Answered

  • LM3478: LM3478 on LM3481-FLYBACKEVM

    Resolved
    Part Number: LM3478 Other Parts Discussed in Thread: LM3481-FLYBACKEVM , LM3481 , LM5155 , LM5156 Hello, My customer wants to evaluate LM3478 for flyback topology. But we don't have any flyback EVM with LM3478. Then they think using LM3481-FLYBACKEVM would…
    • Resolved

  • WEBENCH-POWER-DESIGNER: webench simulation of LM3478

    TI Thinks Resolved
    Part Number: WEBENCH-POWER-DESIGNER Other Parts Discussed in Thread: LM3478 Hi All, I have a question about webench simulation of LM3478. For the following input conditions, I was able to run the simulation. However, when the input range is fixed at 5…

  • RE: LM3478: Boost circuit causing the MOSFET to be stuck on

    Hello Graeme, As we did not hear back from you, I expect the answer was sufficient or you have been able to solve your issue yourself. If my assumption is wrong, please post below or create a new thread if this one is already locked. Best regards, Bri…
    • Answered

  • LM3478: Boost converter voltage dropping when connected to load

    Resolved
    Part Number: LM3478 Hi, I have a boost converter circuit (generated using TI's power designer) that is not performing as designed. The circuit is to convert 24V to 48V @ 4A. The 24V source is coming from a 280W power supply (24V @11.67A), so I know…
    • Resolved

  • RE: LM3478: Webench simulation

    Hi Tom, We are able to create design for above mentioned condition for Boost topology on ti.com. As shared in above comment section there was an invalid Efficiency observed for Boost topology, Which has been fixed now. https://webench.ti.com/appinfo…

  • RE: LM3478: Unstable COMP pin

    Hi Craig, As I have not heard back from you, I will close this thread. If you have any further questions regarding this matter, you can open another thread on E2E. BR, Haroon

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