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TL431ACDG - onsemi

Description: Low Output Noise Voltage; Programmable Output Voltage to 36 V; Voltage Reference Tolerance: +/- 0.4%, Typ @ 25°C (TL431B); Equivalent Full-Range Temperature Coefficient of 50 ppm/ °C Typical; Low Dynamic Output Impedance, 0.22 W Typical; Temperature Compensated for Operation over Full Rated Operating Temperature Range; Sink Current Capability of 1.0 mA to 100 mA; Pb-Free Packages are Available

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TL431ACDG - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - 8-Pin SOIC
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TL431ACDG - onsemi  - 3D model - Small Outline Packages - 8-Pin SOIC
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TL431ACDG Details

  • Manufacturer Part Number:

    TL431ACDG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC-8 Narrow Body

  • Pin Count:

    8

  • Manufacturer Package Code:

    751-07

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    6.5

  • Additional Feature:

    OUTPUT VOLTAGE PROGRAMMABLE FROM 2.495V TO 36V

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.1 A

  • Output Voltage-Max:

    2.537 V

  • Output Voltage-Min:

    2.453 V

  • Output Voltage-Nom:

    2.495 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    36 V

  • Supply Voltage-Min (Vsup):

    2.495 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temp Coef of Voltage-Max:

    97.338 ppm/°C

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Trim/Adjustable Output:

    YES

  • Width:

    3.9 mm

TL431ACDG Frequently Asked Questions (FAQs)

  • The TL431ACDG can operate from -40°C to 125°C, making it suitable for a wide range of applications.
  • To ensure stability, it's essential to decouple the input pin (Vref) with a capacitor (typically 10nF to 100nF) and use a low-ESR capacitor (e.g., ceramic or film capacitor) to minimize noise and oscillations.
  • Keep the TL431ACDG away from high-current paths and noisy areas on the PCB. Use a solid ground plane, and ensure that the input and output pins are not routed near each other to minimize noise coupling.
  • While the TL431ACDG can be used as a voltage regulator, it's not recommended due to its limited current capability (up to 15mA). Instead, use it as a voltage reference and pair it with an external amplifier or voltage regulator for higher current applications.
  • The output voltage (Vout) of the TL431ACDG is determined by the ratio of the resistors R1 and R2, connected between the output pin and the reference pin. Use the formula: Vout = 2.5V x (R1 + R2) / R2.

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Part Image TL431AIDRE4 Texas Instruments

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