Answered

• LM431 oscillation

  

  Liang Han

  Resolved

  Other Parts Discussed in Thread: LM431 , TL431 I have an design with LM431. It seems have oscillation which burn off the current limiting resistor R1 (1/16W). Please take a look at the schematic to see anything wrong with it... Thanks

  • Resolved

  • over 8 years ago
  • Power management
  • Power management forum
Answered

• RE: LM431: Output Voltage oscillates by 20mV against Set point of 10V.

  

  Sudharsan K

  Resolved

  Hi Kai & Marcoo, Thanks for your support. We would try the recommended testing conditions.

  • over 7 years ago
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• Could you tell me about LM431's "Fast Turnon Response"?

  

  Pokkun

  Other Parts Discussed in Thread: TL431 , LM431 I'm sorry. Since I have not been replying, I will post the same post. -------------------------------------------------------------------------------------------------------- Hello. My customer is…

  • over 8 years ago
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• Could you tell me about LM431's "Fast Turnon Response"?

  

  Pokkun

  Other Parts Discussed in Thread: LM431 Hello. My customer is evaluating for the purpose of adopting LM431.,now. I have gotten a question about this product . So, please teach me about LM431. Could you help us? ＜Background＞ ・My customer uses…

  • over 8 years ago
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• RE: LM431 oscillates

  

  Kai Toennies

  Supply voltage is 5V and Vref is 2,5V. Yesterday I build up the circuit without a pcb, only the parts and short copper wires and 100nF across 5V. It oscillates! And additionally the formerly good five LM431 can oscillate too! Not so much as the…

  • over 11 years ago
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  • Power management forum
Answered

• LM431 SPICE Model

  

  Chew How Lim

  Resolved

  Other Parts Discussed in Thread: LM431 , TINA-TI , TL431 Good day May I know who can help me to get SPICE model for LM431? There is no SPICE model available at TI website for LM431. http://www.ti.com/product/lm431 Thanks

  • Resolved

  • over 11 years ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• TL431: Use as an adjustable clipper or limiter circuit

  

  HSIN-CHE HSIEH

  TI Thinks Resolved

  Part Number: TL431 Other Parts Discussed in Thread: LM431 , Tool/software: The typical solution for building a clipper or limiter circuit is usually to use a Zener diode. However, Zener diodes are only available in certain voltages, and might not be very…

  • 1 month ago
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Answered

• UCC5390: Push-pull sic gate driver design questions

  

  JEOUN SOO PARK

  Resolved

  Part Number: UCC5390 Other Parts Discussed in Thread: LM431 Tool/software: hello. I am designing a sic gate driver using UCC5390. I want it to generate +18V, -3V. So the input voltage +12V is fixed and I want to use this voltage to generate +18V, -3V…

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  • over 1 year ago
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Answered

• LM140K: Obsolescence information on a TI product list

  

  Maxime Trévidy

  Resolved

  Part Number: LM140K Other Parts Discussed in Thread: LM431 Tool/software: Hello, I would like to know if the following references from TI or old HARRIS SEMICONDUCTOR or NATIONAL SEMI are in obsolete : PN : 2N6766 - Designation : TRANSIS…

  • Resolved

  • 11 months ago
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• OPA1612: A Proposal for a Noiseless LDO and a Noiseless, Voltage Reference for Audio and Other High Performance Applications

  

  Steven Bayes

  Part Number: OPA1612 Other Parts Discussed in Thread: LM431 , JFE2140 , JFE150 Tool/software: Whatever done, the currently available LDO's are immensely noisy and not applicable to Audio designs. I design own LDO's by the formula : voltage reference …

  • 9 months ago
  • Audio
  • Audio forum

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