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Showing 41 results View by: Thread Post Sort by
  • LM5108: Source/sink current of LM5108

    qianru shi
    qianru shi
    TI Thinks Resolved
    Part Number: LM5108 Tool/software: Dear teams, When I use this IC (LM5108), I found that the driving current will be increased with the load current, but actually it could not be changed and the switching frequency is the same. Is there any reason…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • LM5108: Asynchronous buck regulator?

    David Dean
    David Dean
    Resolved
    Part Number: LM5108 Other Parts Discussed in Thread: LM3404 , LM3405A , TPS28225 , LMR16010 , LMR51625 Is it possible to use the LM5108 for an asynchronous buck regulator? To use the high-side MOSFET but a freewheeling diode instead of the low-side MOSFET…
    • Resolved
    • 11 months ago
    • Power management
    • Power management forum
  • LM5108: Voltage rise across bootstrap capacitor

    Binil Sabu
    Binil Sabu
    TI Thinks Resolved
    Part Number: LM5108 The application is a 48V 3-phase inverter system for 2W applications. While switching the HS FET, and the phase current exceeds 80A, the voltage across the bootstrap capacitor rises over time. During the first run, it was undetected…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM5108: NA

    Joshua Prince
    Joshua Prince
    TI Thinks Resolved
    Part Number: LM5108 Tool/software: help to provide thermal data for the part numbers..........Kindly reply to this mai ( JoshuaPrince.Sebastin@flex.com ) Thanks Applied force Maximum Reflow Temperature Preheat (°C) Time Above…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM5108: Photo Coupler isolation---urgent

    ? ?
    ? ?
    TI Thinks Resolved
    Part Number: LM5108 Tool/software: Hi ,I want to use LM5108 to drive N-MOS, do I have to use " Photo Coupler isolation" between MCU(which generates PWM signal) and LM5108? WHY? thanks
    • over 1 year ago
    • Power management
    • Power management forum
  • LM5108: Technical Article Designing a DCM flyback converter

    Hideki Hayashi1
    Hideki Hayashi1
    TI Thinks Resolved
    Part Number: LM5108 Tool/software: Hi team, When reading the technical article: https://www.ti.com/document-viewer/lit/html/ssztcw6 , where does "n" come? What's the definition? For examples, below equation REgards, Hayashi
    • over 1 year ago
    • Power management
    • Power management forum
  • LM5108: External diode and resistor choice

    Emma Wang
    Emma Wang
    TI Thinks Resolved
    Other Parts Discussed in Thread: LM5108 Tool/software: Hi expert, For LM5108, my customer meet voltage bounce on HO under first time LO give the PWM. which is the bootstrap cap charging, Here is the waveform, CH4 :low side Vgs, CH3: high side Vgs…
    • over 2 years ago
    • Power management
    • Power management forum
  • LM5108: internal structure

    Emma Wang
    Emma Wang
    TI Thinks Resolved
    Part Number: LM5108 Hi expert, My customer wants to know whether LM5108 has internal pull down resistor. if the answer is yes, how about the pull down resistance? they want to see whether they can not put external pull down resistor to save the…
    • over 3 years ago
    • Power management
    • Power management forum
  • LM5108: LM5108 GaNFET Driver

    Frank Cai
    Frank Cai
    TI Thinks Resolved
    Part Number: LM5108 Other Parts Discussed in Thread: LMG1205 , LMG1210 , LM5113-Q1 Hi Team, Can LM5108 drive the GaN FET? If so, what's the external circuit need to be added to drive the GaN FET? Thank you. Sincerely Frank
    • over 4 years ago
    • Power management
    • Power management forum
  • LM5108: HB pin config

    Minghao Yin
    Minghao Yin
    TI Thinks Resolved
    Part Number: LM5108 Hi Team, Our customer has some question about LM5108. How to design the current capability of the power supply VDD of the LM5108 driver chip? According to calculations, at startup, the instantaneous current of VDD is related…
    • over 3 years ago
    • Power management
    • Power management forum
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