Answered

• LM3401: Designing with LM3401

  

  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…

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  • over 1 year ago
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• LM3401: LM3401 not longer supported on WebBench?

  

  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
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Answered

• LM3401: LM3401 D = Vout-Vdiode what is Vdiode?

  

  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.

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  • over 5 years ago
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Answered

• LM3401: UL standard certification.

  

  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…

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  • over 4 years ago
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Answered

• LM3401: Unstable Conditions above 15V

  

  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…

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  • over 4 years ago
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Answered

• LM3401: Help customers find drivers suitable for multiple LEDs in series.

  

  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…

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  • over 3 years ago
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Answered

• LM3401: Efficiency at Vin=5V, 1 series LED 700mA

  

  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
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• LM3401: The method to reduce the noise of LM3401

  

  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
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Answered

• LM3401: Same Design and BOM not working after 3 year gap

  

  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…

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  • over 5 years ago
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• LM3401: Noise on Hys Pin

  

  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
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