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TL431CP - Texas Instruments

Description: 2% Accuracy Adjustable Precision Shunt Regulator

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TL431CP - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - TL431CP
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TL431CP Details

  • Manufacturer Part Number:

    TL431CP

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    ROHS COMPLIANT, PLASTIC, DIP-8

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • 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-PDIP-T8

  • JESD-609 Code:

    e4

  • Length:

    9.81 mm

  • 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:

    2.55 V

  • Output Voltage-Min:

    2.44 V

  • Output Voltage-Nom:

    2.495 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    100 mA

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temp Coef of Voltage-Max:

    143.143 ppm/°C

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Trim/Adjustable Output:

    YES

  • Voltage Tolerance-Max:

    2%

  • Width:

    7.62 mm

TL431CP Frequently Asked Questions (FAQs)

  • The TL431CP can operate from -40°C to 125°C, but the accuracy and stability of the voltage reference may degrade at extreme temperatures.
  • To ensure stability, use a bypass capacitor (typically 10nF to 100nF) between the REF and ADJ pins, and keep the impedance of the output circuit low to minimize noise and oscillations.
  • While the TL431CP can be used as a voltage regulator, it's not recommended due to its limited current capability (up to 15mA) and lack of built-in current limiting. Instead, use a dedicated voltage regulator IC for high-current applications.
  • The output voltage of the TL431CP can be adjusted by connecting a resistive divider between the REF and ADJ pins. The ratio of the resistors determines the output voltage, which can be calculated using the formula: Vout = 2.5V x (R1 + R2) / R2.
  • The TL431CP is a commercial-grade device, but it's not designed for high-reliability applications. For such applications, consider using a radiation-hardened or automotive-grade voltage reference, such as the TLV431AQ or TLV431Q.

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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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Part Image TL431CP Rochester Electronics LLC

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDIP8

Part Image TL431CPG onsemi

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDIP8

Part Image TL431CP3 Texas Instruments

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDIP8

Part Image TL431CPG Rochester Electronics LLC

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDIP8

Part Image TL431CPE4 Texas Instruments

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDIP8

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