• TL431: How to calculate the max power dissipation of TL431

  

  Zhizhao Niu

  TI Thinks Resolved

  Part Number: TL431 Hi Team, I found there is no max power dissipation data in TL431 datasheet. Could you please help explain how to calculate the power dissipation of TL431? Thanks. B.R. Zhizhao

  • 15 days ago
  • Power management
  • Power management forum
Answered

• [FAQ] TL431: Total Power Dissipation

  

  Trailokya Rai

  Resolved

  Other Parts Discussed in Thread: TL431 How to calculate total power dissipation for shunt regulators?

  • Resolved

  • 14 days ago
  • Power management
  • Power management forum
Answered

• TL431: Function of Capacitor across CATHODE and VREF

  

  Dylan Zheng

  Resolved

  Part Number: TL431 Dear Expert, Here is a typical application in datasheet. May I know the function of the 0.01uF capacitor? Thanks. Regards, Dylan

  • Resolved

  • 6 days ago
  • Power management
  • Power management forum
Answered

• [FAQ] TL431: Shunt regulator characteristics for different grades

  

  Trailokya Rai

  Resolved

  Part Number: TL431 What are the key parameters which changes across different grades? Which parameters don't change across different grades of shunt regulators ?

  • Resolved

  • 5 days ago
  • Power management
  • Power management forum
Answered

• TL431: Differences in frequency characteristics due to Vref grades

  

  Toru Kawaguchi

  Resolved

  Part Number: TL431 We are currently using TL431 A QDCKR. We are considering changing the Vref tolerance from grade A (1%) to grade B (0.5%). We have a question about this. [question] We think that the only characteristic change due to Vref grade change…

  • Resolved

  • 6 days ago
  • Power management
  • Power management forum

• TMS320F280049C: Optocoupler and TL431 rejection of line frequency ripple

  

  Cherry Zhou

  Part Number: TMS320F280049C Other Parts Discussed in Thread: TL431 Hi team, Here's an issue from the customer may need your help: The front stage PFC regulates the bus voltage, the bus voltage of the PFC output is inherently 100 Hz twice the line frequency…

  • 7 days ago
  • C2000™︎ microcontrollers
  • C2000 microcontrollers forum
Answered

• RE: TL431: TL431 dynamic impedance spec

  

  Trailokya Rai

  Resolved

  Hi Mia I am closing this thread as we are discussing it over the mail. Regards Trailokya

  • 4 months ago
  • Power management
  • Power management forum

• TL431-Q1: CTE

  

  Ray Vincent Aranzaso

  TI Thinks Resolved

  Part Number: TL431-Q1 Hi, Good Day. What is the CTE (Coefficient of Thermal Expansion) of TL431AQDBZRQ1? Thank you very much. Best Regards, Ray Vincent

  • 2 months ago
  • Power management
  • Power management forum

• TL431: Zener diode replacement for 36V

  

  Vijay Manoharan

  TI Thinks Resolved

  Part Number: TL431 Hi, Can i use the above circuit for the replacement of Zener Diode with value of 36V. If it is possibel what should be the value of resistor??? Regards, VIJAY M

  • 2 months ago
  • Power management
  • Power management forum
Answered

• TL431: TL431 vs TL1431

  

  Steve Widener

  Resolved

  Part Number: TL431 Other Parts Discussed in Thread: TL1431 , Generally, what is the difference int he TL431 and the TL1431 devices? I found the equivalent schematics and they are the same. The electrical specs are also very similar.

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

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