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TL431BCPSR - Texas Instruments

Description: 0.5% Accuracy Adjustable Precision Shunt Regulator

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TL431BCPSR - Texas Instruments - PCB symbol
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TL431BCPSR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PS (R-PDSO-G8)
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TL431BCPSR - Texas Instruments - 3D model - Small Outline Packages - PS (R-PDSO-G8)
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TL431BCPSR Details

  • Manufacturer Part Number:

    TL431BCPSR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    GREEN, PLASTIC, SOP-8

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    OUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 36V

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    6.2 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:

    2.507 V

  • Output Voltage-Min:

    2.483 V

  • Output Voltage-Nom:

    2.495 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temp Coef of Voltage-Max:

    92 ppm/°C

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Trim/Adjustable Output:

    YES

  • Voltage Tolerance-Max:

    0.5%

  • Width:

    5.3 mm

TL431BCPSR Frequently Asked Questions (FAQs)

  • The TL431BCPSR can operate from -40°C to 125°C, but the accuracy and stability of the output voltage may degrade at extreme temperatures.
  • While the TL431BCPSR can handle up to 100 mA of output current, it's not suitable for high-current applications due to its limited power dissipation and thermal resistance. For high-current applications, consider using a dedicated voltage regulator IC.
  • To ensure stability, use a minimum output capacitance of 10 nF, and consider adding a series resistor (e.g., 10 Ω) between the output and the capacitor. Additionally, keep the layout compact and avoid long traces to minimize parasitic inductance and capacitance.
  • While the TL431BCPSR has a relatively low output voltage tolerance (±1%), it may not be suitable for high-precision ADC or DAC applications. Consider using a dedicated voltage reference IC with better accuracy and stability for such applications.
  • The output voltage (Vout) can be calculated using the formula: Vout = (R1 / (R1 + R2)) * (2.5 V), where R1 and R2 are the resistors in the external divider. Ensure that the resistors are chosen to provide a stable output voltage and minimize noise sensitivity.

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TL431BCPSR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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