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LM431CIM3X - Texas Instruments

Description: V-Ref Adjustable 2.495V to 37V 100mA 3-Pin SOT-23 T/R

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LM431CIM3X - Texas Instruments PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - DBZ0003A height 1.12
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LM431CIM3X - Texas Instruments  - 3D model - SOT23 (3-Pin) - DBZ0003A height 1.12
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LM431CIM3X Details

  • Manufacturer Part Number:

    LM431CIM3X

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-23

  • Package Description:

    PLASTIC, SOT-23, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1996-12-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    OUTPUT VOLTAGE ADJUSTABLE FROM 2.5 TO 36V WITH TWO EXTERNAL RESISTORS

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G3

  • JESD-609 Code:

    e0

  • Length:

    2.92 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.1 A

  • Output Voltage-Max:

    2.51 V

  • Output Voltage-Min:

    2.485 V

  • Output Voltage-Nom:

    2.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSOP

  • Package Equivalence Code:

    TO-236

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.12 mm

  • Supply Voltage-Max (Vsup):

    37 V

  • Supply Voltage-Min (Vsup):

    2.44 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temp Coef of Voltage-Max:

    97 ppm/°C

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Trim/Adjustable Output:

    YES

  • Width:

    1.3 mm

LM431CIM3X Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the LM431CIM3X is -40°C to 125°C.
  • To ensure stability, use a minimum of 10nF capacitor between the adjust pin and the output pin, and a 1kΩ resistor between the adjust pin and the cathode of the zener diode.
  • The maximum current that the LM431CIM3X can handle is 15mA.
  • Yes, the LM431CIM3X can be used as a voltage regulator, but it's not recommended as it's primarily designed as a voltage reference. For voltage regulation, consider using a dedicated voltage regulator IC.
  • The output voltage of the LM431CIM3X can be calculated using the formula: Vout = Vref x (R1 / R2) + Vref, where Vref is the internal reference voltage (2.5V), R1 is the resistor between the output and adjust pins, and R2 is the resistor between the adjust pin and the cathode of the zener diode.

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LM431CIM3X 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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