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TL431LIBQDBZR - Texas Instruments

Description: Adjustable precision shunt regulator with optimized reference current (pin layout: KRA)

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TL431LIBQDBZR - Texas Instruments PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - DBZ0003A HEIGHT=1.12
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TL431LIBQDBZR - Texas Instruments  - 3D model - SOT23 (3-Pin) - DBZ0003A HEIGHT=1.12
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TL431LIBQDBZR Details

  • Manufacturer Part Number:

    TL431LIBQDBZR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G3

  • JESD-609 Code:

    e4

  • Length:

    2.92 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • 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 Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.12 mm

  • Supply Voltage-Max (Vsup):

    36 V

  • Supply Voltage-Min (Vsup):

    2.47 V

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    63 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Trim/Adjustable Output:

    YES

  • Width:

    1.3 mm

TL431LIBQDBZR Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the TL431LIBQDBZR is -40°C to 125°C.
  • To ensure stability and prevent oscillation, it's essential to follow proper PCB layout practices, use a low-ESR capacitor, and decouple the device with a 10nF to 100nF capacitor.
  • The maximum allowed voltage on the REF pin is 2.5V. Exceeding this voltage can cause damage to the device.
  • While the TL431LIBQDBZR can be used as a voltage regulator, it's not recommended due to its limited current capability (up to 100mA). For higher current applications, consider using a dedicated voltage regulator IC.
  • The output voltage of the TL431LIBQDBZR can be calculated using the formula: Vout = Vref x (1 + R1/R2), where Vref is the internal reference voltage (2.5V), and R1 and R2 are the external resistors.

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TL431LIBQDBZR 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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