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LM431BCMX/NOPB - Texas Instruments

Description: 2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator

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LM431BCMX/NOPB - Texas Instruments - PCB symbol
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LM431BCMX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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LM431BCMX/NOPB - Texas Instruments - 3D model - Small Outline Packages - D0008A
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LM431BCMX/NOPB Details

  • Manufacturer Part Number:

    LM431BCMX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    OUTPUT VOLTAGE ADJUSTABLE FROM 2.495 TO 36V WITH TWO EXTERNAL RESISTORS

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • 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:

    2.52 V

  • Output Voltage-Min:

    2.47 V

  • Output Voltage-Nom:

    2.5 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

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temp Coef of Voltage-Max:

    97 ppm/°C

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Trim/Adjustable Output:

    YES

  • Width:

    3.9 mm

LM431BCMX/NOPB Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the LM431BCMX/NOPB is -40°C to 125°C. However, it's essential to note that the device's performance may vary outside the specified temperature range.
  • While the LM431BCMX/NOPB can operate up to 125°C, its voltage reference accuracy may degrade at high temperatures. For high-temperature applications, consider using a more temperature-stable voltage reference, such as the LM4040 or LM4050.
  • To ensure proper biasing, connect the cathode (K) pin to a voltage source, and the anode (A) pin to a current-limiting resistor. The recommended bias current is between 1 mA and 10 mA. Consult the datasheet for more information on biasing and circuit design.
  • The typical output impedance of the LM431BCMX/NOPB is around 0.2 ohms. This low output impedance makes it suitable for use as a voltage reference in a wide range of applications.
  • While the LM431BCMX/NOPB can be used as a voltage regulator, it's not recommended. The device is designed as a voltage reference, and its output current capability is limited. For voltage regulation, consider using a dedicated voltage regulator IC, such as the LM317 or LM338.

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LM431BCMX/NOPB 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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Part Image LM431BCMX/NOPB National Semiconductor Corporation

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