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Showing 8 results View by: Thread Post Sort by
  • LM34919C-Q1: EN Pin Slowing down the startup

    PG
    PG
    TI Thinks Resolved
    Part Number: LM34919C-Q1 Tool/software: Can a voltage divider (and/or with cap), be used on the EN pin to slow down when the LM34919C begins to wake up? I have a power supply that feeds into this one. I need to make sure it is up and stable before the…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM34919C-Q1: Tying EN directly to Vin

    David Shumate
    David Shumate
    TI Thinks Resolved
    Part Number: LM34919C-Q1 Team, In the LM34919C documentation I see that we have a enable resistor between Vin and EN: My customer's layout currently doesn't have this resistor and has EN tied directly to Vin. Can you confirm if this is okay and…
    • over 3 years ago
    • Power management
    • Power management forum
  • LM34919C-Q1: Power Good Pin

    Ray Vincent Aranzaso
    Ray Vincent Aranzaso
    TI Thinks Resolved
    Part Number: LM34919C-Q1 Hi, Good Day. I have a question regarding the LM34919C-Q1. This part has a Power Good pin. If I am not using that feature, can I leave that pin floating? Please advise. Thank you very much. Best Regards, Ray Vin…
    • over 3 years ago
    • Power management
    • Power management forum
  • LM34919C-Q1: Load dump for 36 V system

    Finn Frederiksen
    Finn Frederiksen
    TI Thinks Resolved
    Part Number: LM34919C-Q1 Other Parts Discussed in Thread: LMR36015 , Will the switcher withstand a 202 V, 350 ms load dump if this is clamped to 60 V?
    • over 3 years ago
    • Power management
    • Power management forum
  • LM34919C-Q1: Is it recommended to operate with 48V input power?

    user446532
    user446532
    Part Number: LM34919C-Q1 Other Parts Discussed in Thread: LM34919 The datasheet of LM34919C-Q1 did not include the test data with 48V input. Can it be used with 48V input? Thanks.
    • over 3 years ago
    • Power management
    • Power management forum
  • LM34919C-Q1: Minimum ESR value calculation for LM34919C-Q1

    Harish kumar
    Harish kumar
    TI Thinks Resolved
    Part Number: LM34919C-Q1 I was calculating the minimum required ESR value for LM34919C-Q1. On page# 17 in datasheet, there's a formula to calculate the minimum resistor in series with output cap (R3(min) in datasheet). If we want to calculate R3(min)…
    • over 8 years ago
    • Power management
    • Power management forum
  • LM34919C-Q1: question to soft-start capacitor at SS pin of LM34919CQ1.

    Soichi Nishimura
    Soichi Nishimura
    TI Thinks Resolved
    Part Number: LM34919C-Q1 Hi team, Our customer are designing circuit with LM34919CQ1 and ask a question about soft-start capacitor at SS pin. I'd like to confirm capacitance value requirement. Does the capacitor have minimum and maximum capacitance…
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • The operation with low dropout voltage and VIN<VOUT for LM22672, LM34919C and LM2842

    Atsushi Yamauchi
    Atsushi Yamauchi
    Resolved
    Other Parts Discussed in Thread: LM22672-Q1 , LM34919C-Q1 , LM2842-Q1 , TPS54140 , LM22672 I would like to confirm the operation with low dropout voltage and VIN<VOUT for LM22672-Q1, LM34919C-Q1 and LM2842-Q1. For TPS54140(TPS57140), the problem occurs…
    • Resolved
    • over 11 years ago
    • Power management
    • Power management forum

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