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TL431CDT - STMicroelectronics

Description: TL431CDT, Adjustable Adjustable Voltage Reference 2.495 - 36V 2% 100mA 37 V max. 8-Pin SO

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TL431CDT - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO 8_
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TL431CDT Details

  • Manufacturer Part Number:

    TL431CDT

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-8

  • Pin Count:

    8

  • Country Of Origin:

    Morocco

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.5

  • Additional Feature:

    THE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORS

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • 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:

    2.567 V

  • Output Voltage-Min:

    2.423 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 Current-Max (Isup):

    100 mA

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temp Coef of Voltage-Max:

    97.338 ppm/°C

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Trim/Adjustable Output:

    YES

  • Width:

    3.9 mm

TL431CDT Frequently Asked Questions (FAQs)

  • The TL431CDT 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 minimum output capacitance of 10nF, keep the input and output capacitors close to the device, and avoid long PCB traces. Also, use a low-ESR capacitor for the output capacitor.
  • Keep the TL431CDT away from high-current paths and noisy areas on the PCB. Use a star-ground configuration, and keep the input and output capacitors close to the device. Use a solid ground plane and avoid vias under the device.
  • While the TL431CDT 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 transistor or regulator for higher current applications.
  • The output voltage of the TL431CDT is determined by the ratio of the resistors in the feedback network. Use the formula: Vout = 2.5V x (R1 + R2) / R2, where R1 and R2 are the resistors in the feedback network.

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TL431CDT Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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