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Showing 59 results View by: Thread Post Sort by
  • LM431: LM431

    Vincent HURET
    Vincent HURET
    TI Thinks Resolved
    Part Number: LM431 Other Parts Discussed in Thread: LM324 , TPS3711 Hello I am using the LM431, works well at 14V, I get a 1 volt difference between Vin and Vo with Iz less than 5 mA, everything is ok BUT, at 28V, impossible to goi down 50 mA for Iz (…
    • over 3 years ago
    • Power management
    • Power management forum
  • LM431: Vout oscillation

    Jason Fan
    Jason Fan
    TI Thinks Resolved
    Part Number: LM431 Other Parts Discussed in Thread: TLV431A , TL431 , Hi Experts: i designed a reference voltage for the signal detection with LM431B , the schematic is below: Because the Cload selection could affect the Vout oscillation , i choose the…
    • over 3 years ago
    • Power management
    • Power management forum
  • RE: LM431: LM431

    Abhinav Ranjan
    Abhinav Ranjan
    Alright Marshall! But this doesn't yet clarifies why LM431 would get activated when measuring reference voltage with DMM and not with oscilloscope.
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LM431: Question about the maximum ambient temperature

    Zhengquan Lu
    Zhengquan Lu
    Resolved
    Part Number: LM431 Other Parts Discussed in Thread: TL431LI Hi team, My customer use LM431 device for reference voltage, and the output signal is 2.85V/5mW. When test in the worst environment, the case temperature would be 93C and the ambient temperature…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • Using adjustable LM4041 shunt voltage reference instead of LM431

    Spring2020
    Spring2020
    Resolved
    Part Number: LM4041-N Other Parts Discussed in Thread: LM431 , LMV431 , TLV6713 , TLV1701 **** Using adjustable LM4041 shunt voltage reference instead of LM431 in the ciruit described in app. note AN-1533: Over Voltage Protection Circuit for Automotive Load…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • LM431: Vref regulation voltage 2.6V instead of 2.5V

    Nadim Sakr
    Nadim Sakr
    TI Thinks Resolved
    Part Number: LM431 Other Parts Discussed in Thread: TL431 Hello, I am using the LM431BIM3 in the control loop of a flyback converter. However instead of having a Vref of 2.5V, i am measuring 2.6V instead which makes my output regulates at 12.6V instead…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM431: LM431 partnumber

    leo kors86
    leo kors86
    Resolved
    Part Number: LM431 i need a LM431 0,5% sot23 -40 to 85 but can not find it anywhere on the datasheet what the exact part number is. is it a LM431A or LM431B etc according pag 5 table 6.5 ? also packaging information on addendum is not clear. what do I…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • TINA/Spice/LM431: Shunt Regulator Model Issues

    Tim Burke81
    Tim Burke81
    TI Thinks Resolved
    Part Number: LM431 Other Parts Discussed in Thread: TINA-TI , TL431 , Tool/software: TINA-TI or Spice Models I am trying to get a SPICE simulation of the LM431 working properly. I have read that the TL431 model is similar. I have tried to use several different…
    • over 4 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • LM431: Stability Boundary Condition for High Iz condition

    Satoshi
    Satoshi
    TI Thinks Resolved
    Part Number: LM431 Other Parts Discussed in Thread: TL431 About stability boundary condition of LM431, datasheet P7 is described only Iz:10mA condition. Is there the other stability data for high Iz condition? (For example, Iz:22.5mA) Is LM431 applicable…
    • over 4 years ago
    • Power management
    • Power management forum
  • LM431: Need Shunt voltage Regulation in our device

    Navendu Shekhar
    Navendu Shekhar
    TI Thinks Resolved
    Part Number: LM431 Other Parts Discussed in Thread: TL431LI Hi TI Team, We are currently working in one of the project where we need to use shunt voltage regulation. We want to regulate the voltage at 5.7V. The maximum input current can be upto 1.5A …
    • over 4 years ago
    • Power management
    • Power management forum
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