• TL431LI-Q1: TL431 For flyback converter feedback loop

  

  Karthik karri

  TI Thinks Resolved

  Part Number: TL431LI-Q1 Other Parts Discussed in Thread: TL431 Tool/software: Hi Ti team, I have a query regarding Vka voltage of TL431 in the feedback loop of dc-dc converter, What is the VKA voltage value , is it same as Vef=2.5V?? From the above…

  • 1 month ago
  • Power management
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• TL431-Q1: Worst case voltage deviation of TL431B-q1 in the temperature range 10°C to 50°C

  

  KC Cap

  TI Thinks Resolved

  Part Number: TL431-Q1 Tool/software: Dear TI Team, I looking for calculation of worst case voltage deviation of TL431B-q1 in the temperature range 10°C to 50°C. Full temperature range shows 34mV max deviation. Thanks!

  • 3 months ago
  • Power management
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• TL431-Q1: To know the operating lifetime

  

  Anoop kumar N

  TI Thinks Resolved

  Part Number: TL431-Q1 Tool/software: Hi Team, We would like to know the operating lifetime (in Hours ) for the ambient operation at 80°C for this IC

  • 6 months ago
  • Power management
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• TL431-Q1: Voltage Regulator

  

  Anoop kumar N

  Part Number: TL431-Q1 Other Parts Discussed in Thread: TL431 Hello Experts, Is there an particular reasons for using 27.4 kOhms value ? any value for this resistor, satisfying Vo-Vin relation can be used, right ?

  • 7 months ago
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• TL431-Q1: TL431 output sawtooth shape

  

  Scarlett Cao

  TI Thinks Resolved

  Part Number: TL431-Q1 Hi team, My customer is testing TL431-Q1 and captured below sawtooth shape Vka waveform, could you help suggest why it happens? Customer is testing with below circuit, input resistor 2.15k, R1 10K R2 21.5K, input voltage 9V. They…

  • 11 months ago
  • Power management
  • Power management forum
Answered

• LM25037-Q1: UCC24624,TL431

  

  pooja kattimani

  Resolved

  Part Number: LM25037-Q1 Other Parts Discussed in Thread: TL431 , , UCC24624 , LM25037 , LM5036 Hello there, I'm going to use LM25037-Q1 for controlling a half bridge converter and UCC24624 Dual-Channel Synchronous Rectifier Controller for secondary si…

  • Resolved

  • 9 months ago
  • Power management
  • Power management forum

• TL431-Q1: Negative voltage output

  

  Lijia Zhu

  TI Thinks Resolved

  Part Number: TL431-Q1 Other Parts Discussed in Thread: TL431 Hi team, Figure 35 is a positive regulator. Could you help to advise how to use this device for a negative voltage regulator? B&R Lijia

  • over 1 year ago
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• TL431-Q1: Query on application

  

  Sandeep Varma

  TI Thinks Resolved

  Part Number: TL431-Q1 Other Parts Discussed in Thread: TL431 , Hi, I could see 10nF Cap between cathode and reference pin in data sheet of TL431(for ex: Image attached). Two questions as follows: 1) Is it mandatory to have this cap for voltage regulator application…

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• LM25037-Q1: TL431 Compensation for LM25037

  

  Jishnu K

  Resolved

  Part Number: LM25037-Q1 Other Parts Discussed in Thread: TL431 , LM25037 Hello there, I'm going to use LM25037 for controlling a half bridge converter and also an TL431 and optocoupler isolation for compensation circuit. Is it okay to implement the compensation…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• TL431-Q1: Query on TL431 Response time as comparator

  

  Sandeep Varma

  Resolved

  Part Number: TL431-Q1 Other Parts Discussed in Thread: TL431 Hi, I have been simulating the TL431 as comparator. I have given green color waveform as input to ref pin. I could see the TL431 responding(blue color waveform) after > 100uS when ref pin voltage…

  • Resolved

  • over 1 year ago
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