Part Image

LM431ACM - Texas Instruments

Description: Voltage References Adjustable Precision Zener Shunt Regulator 8-SOIC -40 to 85

Download LM431ACM Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
LM431ACM - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
click to zoom
3D Models
LM431ACM - Texas Instruments  - 3D model - Small Outline Packages - D0008A
click to zoom

LM431ACM Details

  • Manufacturer Part Number:

    LM431ACM

  • Brand Name:

    Texas Instruments

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • 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-G8

  • JESD-609 Code:

    e0

  • 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):

    235

  • 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:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    20

  • Trim/Adjustable Output:

    YES

  • Width:

    3.9 mm

LM431ACM Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for LM431ACM is -40°C to 125°C. However, it's essential to note that the device's accuracy and stability may degrade at extreme temperatures.
  • To ensure stability and prevent oscillation, it's crucial to follow proper PCB layout practices, such as keeping the input and output traces short and separate, using a low-ESR capacitor, and minimizing parasitic inductance and capacitance.
  • The minimum input voltage for LM431ACM is 2.5V, and the maximum input voltage is 36V. Operating the device outside this range may affect its performance and accuracy.
  • While LM431ACM can be used as a voltage reference, it's not suitable for high-current applications due to its limited output current capability (typically 10mA). For high-current applications, consider using a dedicated voltage regulator or a more robust voltage reference device.
  • The output voltage of LM431ACM can be calculated using the formula: Vout = 2.5V x (1 + R1/R2), where R1 and R2 are the resistors connected between the output and the adjust pin. The output voltage can be adjusted by varying the ratio of R1 and R2.

Trust Checks

This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

LM431ACM Overview

Use the download button to access the LM431ACM schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LM431, or try a keyword search, such as Voltage References

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.

Parts related to LM431ACM

Showing 0 results

LM431ACM Alternates

Showing results

Image Part Number Model
Part Image LM431ACMX Fairchild Semiconductor Corporation

Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO8

Part Image LM431AIMX Fairchild Semiconductor Corporation

Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO8

Part Image LM431BIMX National Semiconductor Corporation

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

Part Image HA17431FPA Hitachi Ltd

Two Terminal Voltage Reference, 1 Output, 2.495V, BIPolar, PDSO8

Part Image KA431DTF onsemi

Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO8

For a full list of alternate parts for LM431ACM, check out Findchips.com