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Showing 59 results View by: Thread Post Sort by
    Answered
  • LM3401: Designing with LM3401

    Vijay
    Vijay
    Resolved
    Part Number: LM3401 Other Parts Discussed in Thread: TPS922055 Hello Team, We are planning to use the LED Driver LM3401 for one of our applications. The datasheet and the user guide of the LM3401 seem to be straightforward so we can simply design the…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LM3401: LM3401 not longer supported on WebBench?

    John Zigrang
    John Zigrang
    TI Thinks Resolved
    Part Number: LM3401 Other Parts Discussed in Thread: TPS92200 , I have older web-bench designs that I would like to review but it looks like the part is no longer support. Web-Bench is not available on the product page???
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3401: LM3401 D = Vout-Vdiode what is Vdiode?

    John Zigrang
    John Zigrang
    Resolved
    Part Number: LM3401 Is the Vdiode in the data sheet talking about the total forward voltage of a string of LED's? It is not defined in the data sheet.
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3401: UL standard certification.

    user5942726
    user5942726
    Resolved
    Part Number: LM3401 Dear Sir Thank you for your cooperation. Some of Kyocera's chemical products It has been announced that there was an inappropriate response to UL standard certification. LM3401MM / NOPB Please tell me if there is any influence…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3401: Unstable Conditions above 15V

    Alain Fuchs
    Alain Fuchs
    Resolved
    Part Number: LM3401 Dear TI Forum I am having trouble with the LM3401 Board. It is working fine when <= 14.5V is applied. When Voltage is around 15V the LED is flickering and above 15.5V the LED is stable but Power is 50%. Red Probe = LED…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3401: Help customers find drivers suitable for multiple LEDs in series.

    Hailiang Zhang
    Hailiang Zhang
    Resolved
    Part Number: LM3401 Other Parts Discussed in Thread: LM3405 , LM3405A , LM3404 , LM3414 I am helping a customer to find a driver suitable for multiple LEDs in series. Usually 5 LEDs. The voltage of each LED is 2.5V-2.8V. Could you please help recommend…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3401: Efficiency at Vin=5V, 1 series LED 700mA

    Franz Schellhase
    Franz Schellhase
    Resolved
    Part Number: LM3401 Hi, can you tell me why the efficiency curve for LM3401 for 1 series LED (700mA) doesn't go down to Vin=5V but the 1A measurement does? Can you tell me the efficiency at that point? Thank you, Franz
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • LM3401: The method to reduce the noise of LM3401

    takahiko yokota
    takahiko yokota
    TI Thinks Resolved
    Part Number: LM3401 Hi My customer use LM3401 under Vin=10~24V, Vout=3.4V and Iout=1.4A. But when they evaluated LM3401 using EVM, there were the noise as attached document. Coukd you tell me to reduce it? I think I use the bypass capacitor…
    • over 7 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3401: Same Design and BOM not working after 3 year gap

    John Zigrang
    John Zigrang
    Resolved
    Part Number: LM3401 We have a design with the LM3401 with 3 LED's in series. A 9V forward Voltage. 24V Input. The first build of this was done in Feb 2017 in china. The second build was done this year in the USA. This is a MCPCB. Both builds…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • LM3401: Noise on Hys Pin

    Jacob Olstad
    Jacob Olstad
    TI Thinks Resolved
    Part Number: LM3401 Hi All, Seeing about ~20mv worth of noise on the hys pin of the lm3401. I'm thinking of filtering this pin with a capacitor to ground to try and eliminate the noise. Is this advisable? Regards, Jake
    • over 7 years ago
    • Power management
    • Power management forum
>

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