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Showing 7 results View by: Thread Post Sort by
    Answered
  • LM5155EVM-SEPIC: Can LM5155 on LM5155EVM-SEPIC be replaced with LM5156?

    Kazuya Nakai59
    Kazuya Nakai59
    Resolved
    Part Number: LM5155EVM-SEPIC Other Parts Discussed in Thread: LM5155 , , LM5156 Hello guys, One of my customers is evaluating LM5155 using LM5155EVM-SEPIC. But they knew recently that it is difficult to get LM5155 by their mass-production start dead line…
    • Resolved
    • 5 months ago
    • Power management
    • Power management forum
  • Answered
  • LM5155EVM-SEPIC: The EVM board has ringing

    Arkady Ler
    Arkady Ler
    Resolved
    Part Number: LM5155EVM-SEPIC Other Parts Discussed in Thread: LM5155 Hi, I've loaded the LM5155EVM-SEPIC with 10 ohm load. Vin 17v. Switching frequency 2.14MHz I'm observing very large ringing on: Output diode's anode FET's drain …
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LM5155EVM-SEPIC in constant current mode

    Arkady Ler
    Arkady Ler
    Part Number: LM5155EVM-SEPIC Hi, Is it possible to run LM5155QDSSRQ1 (no hiccup) in constant output current mode? Will the output current will be limited and stable with no resets when the load is high? I would like to select different output current…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM5155: Increasing the current capability of LM5155EVM-SEPIC design to 5A

    Klaus Moelholm65
    Klaus Moelholm65
    Part Number: LM5155 Other Parts Discussed in Thread: , LM5176 Hi I have modified a LM5155EVM-SEPIC evaluation module to 5V output voltage by changing R9 (Rfbt) to 18.7 kOhm and that works just fine with up to 2A output current with an input voltage between…
    • over 2 years ago
    • Power management
    • Power management forum
  • RE: LM5158: 48V -> 48V SEPIC design

    EM
    EM
    Hello, Thank you for your feedback. The LM5156 exists both as automotive (LM5156-Q1) and commercial product. I would recommend using the LM5156 instead of the solution you proposed, as this might be more effective even wrt cost (you would need a controller…
    • 2 months ago
    • Power management
    • Power management forum
  • RE: Equivalent IC for part no: LTC3119

    Jasper Li
    Jasper Li
    Hi Murthy, then may be you can try SEPIC circuit using LM5155, please refer to the SEPIC EVM of this device. https://www.ti.com/tool/LM5155EVM-SEPIC
    • over 1 year ago
    • Power management
    • Power management forum
  • RE: LM5157-Q1: SEPIC Converter

    EM
    EM
    Hello, Thanks for reaching out. The material for the LM5157 SEPIC is not yet available. Currently, we have this app note available on how to design a SEPIC: https://www.ti.com/lit/an/snva168e/snva168e.pdf You also might want to take a look at the LM5155…
    • over 1 year ago
    • Power management
    • Power management forum

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