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TL431IDRG4 - Texas Instruments

Description: Adjustable precision shunt regulator

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TL431IDRG4 Details

  • Manufacturer Part Number:

    TL431IDRG4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-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-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:

    85 °C

  • Operating Temperature-Min:

    -40 °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:

    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

  • 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:

    INDUSTRIAL

  • Terminal Finish:

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

  • 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:

    2%

  • Width:

    3.9 mm

TL431IDRG4 Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the TL431IDRG4 is -40°C to 125°C.
  • To ensure stability, it's recommended to decouple the input pin (Vref) with a 10nF to 100nF capacitor and to use a low-ESR capacitor (e.g., ceramic or film capacitor) for the output capacitor (Cout).
  • The minimum output current required to maintain regulation is typically around 1mA, but this can vary depending on the specific application and operating conditions.
  • While the TL431IDRG4 can be used as a voltage regulator, it's not recommended as it's primarily designed as a voltage reference. For voltage regulation, it's better to use a dedicated voltage regulator IC.
  • The output voltage of the TL431IDRG4 can be calculated using the formula: Vout = Vref x (1 + R1/R2), where Vref is the internal reference voltage (2.5V), R1 is the resistor connected between the output and the adjust pin, and R2 is the resistor connected between the adjust pin and ground.

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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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TL431IDRG4 Alternates

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Image Part Number Model
Part Image TL431CD Rochester Electronics LLC

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO8

Part Image TL431IDR Rochester Electronics LLC

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO8

Part Image TL431IDR2 Motorola Semiconductor Products

Three Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO8

Part Image TL431CDG4 Texas Instruments

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO8

Part Image TL431IDR2 Rochester Electronics LLC

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO8

For a full list of alternate parts for TL431IDRG4, check out Findchips.com