Search tips
Showing 82 results View by: Thread Post Sort by
    Answered

  • LM431 Junction Temperature

    Resolved
    Other Parts Discussed in Thread: LM431 Hello Support Team, My customer is aksing what is Tj of LM431 since there is no description on the datashhet. I guess TI does not have Ti value to share with customer and Tj should be calcurated by customer basied…
    • Resolved

  • LM431: Higher ripple on AC/DC power supply output?

    TI Thinks Resolved
    Part Number: LM431 Other Parts Discussed in Thread: TL431 Team, Customer is using the LM431 (LM431BIM3/NOPB) on an AC/DC (PFC flyback: 1Ph 230V AC to 24V DC 5A with PFC voltage: 390V). The LM431 is used for the feedback sensing on the secondary side…
    • Answered

  • LM431: Difference between LM431AIM3 and LM431AIM3/NOPB

    Resolved
    Part Number: LM431 Dear Team, Is the only difference between LM431AIM3 and LM431AIM3/NOPB the availability of RoHS support? My understanding is that there is no difference in the respective characteristics of both products. Is my understanding about…
    • Resolved
    • Answered

  • LM431: Vref vs Ta curve

    Resolved
    Part Number: LM431 Hi Team, Does LM431 have Vref vs. Ta curve like below? Regards,
    • Resolved

  • LM431: LM431

    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…

  • LM431: LM431

    TI Thinks Resolved
    Part Number: LM431 Hi TI team, We're using LM431 in a Crowbar OVP circuit. We have been facing something strange in this use case of LM431; it is that initially the crowbar was triggering way above the designated threshold and consequently we made…
    • Answered

  • LM431: Junction-to-ambient thermal resistance - Test Board Used

    Resolved
    Part Number: LM431 Hello TI Team, Checking the datasheet of part LM431AIM3X/NOPB , I found the R θJA (Junction-to-ambient thermal resistance) value on section 6.4 Thermal Information. However, it did not mentioned anything about the test board used…
    • Resolved

  • LM431: REF431 (2.495V) is used as a clamping diode, what is the max. I_KA at 1V and 100°C

    TI Thinks Resolved
    Part Number: LM431 Other Parts Discussed in Thread: TL431 Hello, I have a circuit challenge. The voltage should be limited at a high-impedance ADC input without influencing the high-impedance measurement signal. The problem should be solved with…
    • Answered

  • LM431: LM431BIM3N1C vs LM431BIM3/NOPB

    Resolved
    Part Number: LM431 Hello. In our project, which is on mass production stage already, we applied LM431BIM3N1C. Now LM431BIM3N1C is NRND-device, and it's replaced by LM431BIM3/NOPB. What are the HW differences between these two devices, and what are…
    • Resolved
    • Answered

  • LM431: LM431 partnumber

    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…
    • Resolved

Didn't find what you are looking for? Post a new question.