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  • RE: LM27403: Calculation Confusion and disconnects, Webench, Design Spreadsheet, Datasheet, Reference Design, Evaluation Board

    Resolved
    Here is a photo. The board I have is the LM27403EVM-POL600. Since this is a mature device, why does TI provide tools that don't work? And, why doesn't TI clean up conflicting design information? Thanks,

  • LM27403 Current Problem without any load

    Other Parts Discussed in Thread: LM27403 , LM27403EVM-POL600 Hi guys, I design LM27403 Module according to LM27403EVM-POL600 User's Guide but my board consume 100mA current while no load connected to the output and it causes switching Inductor become warm…

  • LM27403 Unstable condition Problem

    Other Parts Discussed in Thread: LM27403 , LM27403EVM-POL600 Hi guys, I design a board With LM27403 Switching according to its user's guide. my Design is completely match with LM27403EVM-POL600 but my pcb specially inductor become very hot and my output…

  • LM27403 shuts down or won't start

    Other Parts Discussed in Thread: LM27403 I've got a power supply design, designed almost entirely using Webbench. The DC input voltage is between 15 and 20V, and I need to generate a variety of voltages for my circuit. Webbench proposed stepping the…
    • Answered

  • RE: LM27403 - Starts into fault state

    Resolved
    I was having the same problem This is what I assembled It only got up to 100mv under no load but it was stable. When I added a 0.1ohm load it didn't regulate at all. here is the Design tool exel file 12-01-2015assembly.xlsx

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