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TL431AQPKG3 - Texas Instruments

Description: Voltage References Adjustable Precision Shunt Regulator

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PCB Footprints
TL431AQPKG3 - Texas Instruments PCB footprint - Other - Other - PK (RPDSO-G3)
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3D Models
TL431AQPKG3 - Texas Instruments  - 3D model - Other - PK (RPDSO-G3)
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TL431AQPKG3 Details

  • Manufacturer Part Number:

    TL431AQPKG3

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-89

  • Pin Count:

    3

  • 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-PSSO-F3

  • JESD-609 Code:

    e3

  • Length:

    4.5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.1 A

  • Output Voltage-Max:

    2.52 V

  • Output Voltage-Min:

    2.47 V

  • Output Voltage-Nom:

    2.495 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLSOF

  • Package Equivalence Code:

    TO-243

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.6 mm

  • Supply Voltage-Max (Vsup):

    36 V

  • Supply Voltage-Min (Vsup):

    2.495 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temp Coef of Voltage-Max:

    92 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    FLAT

  • Terminal Pitch:

    1.5 mm

  • Terminal Position:

    SINGLE

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

    30

  • Trim/Adjustable Output:

    YES

  • Voltage Tolerance-Max:

    1%

  • Width:

    2.5 mm

TL431AQPKG3 Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for TL431AQPKG3 is -40°C to 125°C.
  • To ensure stability, it's recommended to use a minimum output capacitance of 10uF and a minimum ESR of 0.1 ohms in the output capacitor. Additionally, a 1uF to 10uF capacitor can be added between the REF and ADJ pins to improve stability.
  • The maximum allowed voltage on the REF pin is 36V. Exceeding this voltage can damage the device.
  • Yes, TL431AQPKG3 is suitable for high-temperature environments. However, the voltage reference accuracy may degrade at high temperatures. It's recommended to use a voltage reference with a tighter tolerance and a lower temperature coefficient for high-temperature applications.
  • The output voltage of a voltage regulator circuit using TL431AQPKG3 can be calculated using the formula: Vout = Vref * (1 + R1/R2), where Vref is the reference voltage (2.5V), R1 is the resistance between the output and the ADJ pin, and R2 is the resistance between the ADJ pin and ground.

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TL431AQPKG3 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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