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Showing 154 results View by: Thread Post Sort by
    Answered
  • LM5158-Q1: Doubt about UVLO and other parameters

    danielb
    danielb
    Resolved
    Part Number: LM5158-Q1 Other Parts Discussed in Thread: LM5157 , LM5158 Tool/software: Dear, I have filled the LM5158-Q1 boost converter design tool spreadsheet (attached) for a boost with Vinput between 3.4 and 5.25V and Vout=44V. Could you please…
    • Resolved
    • 3 months ago
    • Power management
    • Power management forum
  • Answered
  • LM5158: Discrepency bewteen Webbench and calculator

    Clément Letonnelier
    Clément Letonnelier
    Resolved
    Part Number: LM5158 Other Parts Discussed in Thread: LM5157 Tool/software: Hello I have the same issue, the compensation values that are output by Webbench and the calculated suggestion in the sheet differs. What am I missing ? webench.ti.com…
    • Resolved
    • 5 months ago
    • Power management
    • Power management forum
  • Answered
  • LM5158: Flyback Converter - switching frequency

    Gordon Leather
    Gordon Leather
    Resolved
    Part Number: LM5158 Tool/software: Hello, I'm working on a 48V to 3x isolated 28V @ 0.2A flyback converter, using LM5158 and a Pulse VPH5-0155-R or Wurth 749196518 1:1:1:1:1:1 transformer with ~23µH primary inductance. Please could you advise on the…
    • Resolved
    • 6 months ago
    • Power management
    • Power management forum
  • Answered
  • LM5158: Booster with higher input than output voltage

    Wolfgang Klinger
    Wolfgang Klinger
    Resolved
    Part Number: LM5158 Tool/software: Hello, we intend to use the LM5158 in boost configuration with input voltages from 9V - 50V and an output voltage of 50V (max. load current 0.3A). This means that the input voltage can be the same or, due to the…
    • Resolved
    • 7 months ago
    • Power management
    • Power management forum
  • Answered
  • LM5158: Can LM5158 be used as a power supply for PSE side of PoE?

    Kazuya Nakai59
    Kazuya Nakai59
    Resolved
    Part Number: LM5158 Hello guys, One of my customers is looking for a boost regulator which can be used as a power supply for PSE side of PoE. Their requirements are the follows. Vin=12V or 24V. Vout=37V~57V. Io=0.350A. Pout=13W. I think LM5158 can…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LM5158: Webench Vs Quickstart Calculator

    TI-CSC
    TI-CSC
    Part Number: LM5158 Other Parts Discussed in Thread: LM5157 Tool/software: Hello E2E Experts, Good day. We are designing a boost converter using TI's LM5158 with the following specifications: Input Voltage: 3.3V–4.5V Output Voltage: 45V Output…
    • 8 months ago
    • Power management
    • Power management forum
  • LM5158: Minimum feedback current requirement

    KrnB
    KrnB
    TI Thinks Resolved
    Part Number: LM5158 Tool/software: Hello, Please can you confirm minimum feedback current requirement for LM5158. My intention is to know the maximum permissible resistor values for the feedback network.
    • 11 months ago
    • Power management
    • Power management forum
  • LM5158-Q1: Variable 20-48V low ripple power supply

    danielb
    danielb
    TI Thinks Resolved
    Part Number: LM5158-Q1 Other Parts Discussed in Thread: LM5158 , LM51581 , OPA596 Tool/software: I am designing a variable 20-48V low ripple power supply using the LM5158-Q1 in the Webench tool to bias an optical sensor. I have a few questions regarding…
    • 6 months ago
    • Power management
    • Power management forum
  • Answered
  • LM5158: Output Overvoltage

    KrnB
    KrnB
    Resolved
    Part Number: LM5158 Lm5158 datasheet states that it has over-voltage protection when FB pin voltage exceeds Vref by 10%. Please share what is LM5158's behavior if top-side feedback resistor gets open.
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LM5158: hiccup mode timer

    KrnB
    KrnB
    TI Thinks Resolved
    Part Number: LM5158 Tool/software: Hello, I understand that the Hiccup Mode uses timer for fault. Please can you confirm that the Hiccup Mode timer is based on Switching Freq selected in the application.
    • over 1 year ago
    • Power management
    • Power management forum
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