Answered

• RE: ATL431: ATL431 behaviour at startup

  

  Ben C

  Resolved

  Hi Christian, It is very unfortunate and I am disappointed that the ATL431 did not work out for you. It is very strange that the ATL431 had a strange behavior that I have not seen before. Best of luck to you. Ben

  • 7 months ago
  • Power management
  • Power management forum
Answered

• ATL431: Design of Flyback SMPS

  

  Anoop kumar N

  Resolved

  Part Number: ATL431 Hello Expert, I am planning to use ATL431BQDBZR for an SMPS of 5W 20V output and get get confused at designing the value of resistor and capacitor marked in the below figure. Is there any document/article available for the proper design…

  • Resolved

  • 5 months ago
  • Power management
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Answered

• ATL431: ATL431 SPICE model startup problem

  

  Sebastian Reinig

  Resolved

  Part Number: ATL431 Other Parts Discussed in Thread: , TL431 Hello, there seems still to be the issue with start-up response of the ATL431B model which is different to the start-up response shown in the datasheet. The issue was also part of a discussion…

  • Resolved

  • 9 months ago
  • Power management
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Answered

• ATL431: Calculation tool

  

  Atsushi Takahashi

  Resolved

  Part Number: ATL431 Other Parts Discussed in Thread: TL431 , Hi Team, We would like to use TL431 calc tool. We have several questions about how to use this tool. 1) Is it no problem to apply TL431 calc tool for ATL431? 2) Is my thought below correct because…

  • Resolved

  • 6 months ago
  • Power management
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• ATL431: Feedback resistor value

  

  Atsushi Takahashi

  TI Thinks Resolved

  Part Number: ATL431 Hi Team, Example values of Feedback resistor(R1 and R2) are 10kΩ in the data sheet. 1) Is it OK to R1=33kΩ and R2=100kΩ? 2) Do R1 and R2 have upper limit and lower limit? 3) How should we decide which several hundred…

  • 6 months ago
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Answered

• RE: ATL431: Differences with ATL431LI

  

  Jake F

  Resolved

  Hi Juan, The differences in cathode current translate to different biasing conditions to ensure the cathode current requirements are met during operation. Jake

  • 6 months ago
  • Power management
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• ATL431: How to calculate Rsup value

  

  Atsushi Takahashi

  TI Thinks Resolved

  Part Number: ATL431 Hi Team, Could you tell me how to calculate Rsup value? I couldn't find it in the data sheet. Best Regards,

  • 6 months ago
  • Power management
  • Power management forum
Answered

• ATL431: Stability

  

  Pjs

  Resolved

  Part Number: ATL431 Other Parts Discussed in Thread: , TL431LI Hi, I'm considering an ATL431 with Vka=-10V and I'm looking into the stability regions. On Figure16 it looks like the device is stable with 10uF @ 1mA but Figure 20 then seems to imply this…

  • Resolved

  • 10 months ago
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Answered

• ATL431: Definition of CKA

  

  Shota Mago

  Resolved

  Part Number: ATL431 Hi team, Let me confirm definition of CKA which is shown at some figures such as figure 14~18. Does it mean external capacitor connected between Cathode and Anode? Is it okay to assume CKA is same as CL of figure32? Best regards…

  • Resolved

  • over 1 year ago
  • Power management
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• ATL431: ATL43x Consultation

  

  Gust Zhang

  Part Number: ATL431 Hi team, My customer want to use ATL43X to design a adjustable regulator. He wants to get max limit current (10mA). Can our chips support this design? If we can, how to design? Thanks a lot! BR Gust

  • over 1 year ago
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