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Showing 14 results View by: Thread Post Sort by
    Answered
  • LM25139: Precautions for using LM5149 spice model instead of LM25139

    Hiromu Susami
    Hiromu Susami
    Resolved
    Part Number: LM25139 Other Parts Discussed in Thread: LM5149 , Hi exparts, Previous e2e thread explains using LM5149 spice model if we want to simulate LM25139. Is there any precautions when running a simulation instead? Vin: 15V, Vout 0~15V and Vin…
    • Resolved
    • 8 months ago
    • Power management
    • Power management forum
  • LM25139: LM25139RGTR

    Koki Ida
    Koki Ida
    Part Number: LM25139 I am using the LM25139RGTR in a 24 V-to-5 V buck converter design, but the circuit does not operate correctly. There is no switching voltage at the SW pin. However, if I reduce the capacitance of the electrolytic capacitor connected…
    • 2 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LM25139: LM25139RGTR - Lead Finish inquiry

    Hiromu Susami
    Hiromu Susami
    Resolved
    Part Number: LM25139 Hi experts, My customer is currently evaluating the LM25139RGTR for qualification and have a question regarding the terminal plating of this device. We would like to confirm whether the surface finish of the leadless terminals…
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • LM25139-Q1: COMP pin question

    Marvn Arcangel
    Marvn Arcangel
    TI Thinks Resolved
    Part Number: LM25139-Q1 Other Parts Discussed in Thread: LM5155 , TL494 Hi Experts, I need clarification here: Can I use the COMP pin as external control pin? The simplified internal schematic shows this pin as the output of the transconductance error…
    • 1 month ago
    • Power management
    • Power management forum
  • LM25139: delete

    johny radio
    johny radio
    TI Thinks Resolved
    delete question
    • 10 months ago
    • Power management
    • Power management forum
  • LM25139: Leaded package

    Ohad Bonneh
    Ohad Bonneh
    TI Thinks Resolved
    Part Number: LM25139 Hi Team, dose the LM25139 comes in leaded package ?
    • 10 months ago
    • Power management
    • Power management forum
  • Answered
  • LM25139-Q1: 10/7.5V 10A Supply with LM25139QRGTRQ1

    Eli Hait54
    Eli Hait54
    Resolved
    Part Number: LM25139-Q1 Other Parts Discussed in Thread: LM5192-Q1 , LM5192 Hello I need to design an automotive power supply with a selectable output voltage of either 12V or 7.5V to 10A max, voltage selectable by an MCU (for instance by switching…
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • LM25139-DESIGN-CALC: WEBENCH Power Designer schematic incorrect

    Stephen Gordon
    Stephen Gordon
    TI Thinks Resolved
    Part Number: LM25139-DESIGN-CALC Other Parts Discussed in Thread: LM25139-Q1EVM-440 The schematic has ISENSE pin connected after the shunt, and VOUT pin connected between inductor and shunt. According to the datasheet and the schematic for the evaluation…
    • 4 months ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • LM25139-Q1: FIT, FMD and pin FMA

    Ted Xu
    Ted Xu
    TI Thinks Resolved
    Part Number: LM25139-Q1 Hi team Would you help share LM25139-Q1 FIT, FMD and pin FMA document for Fusa calculation? My customer ZID need it. Thanks
    • 9 months ago
    • Power management
    • Power management forum
  • LM25139-Q1: Vout worst case analysis

    Wenwen jiang
    Wenwen jiang
    TI Thinks Resolved
    Part Number: LM25139-Q1 Tool/software: Hi E2E teacher, How to do LM25139QRGTRQ1 Vout worst case analysis? And any other worst case analysis to be recommended? What factors should to be considered in calculate? such as Error OA Voffset, Ioffset? but…
    • over 1 year ago
    • Power management
    • Power management forum
>

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