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LM4040C20QDBZT - Texas Instruments

Description: Texas Instruments LM4040C20QDBZT, Shunt Voltage Reference 2.048V, 0.5%, 3-Pin SOT-23

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LM4040C20QDBZT - Texas Instruments - PCB symbol
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PCB Footprints
LM4040C20QDBZT - Texas Instruments PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - SOT23 _1
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3D Models
LM4040C20QDBZT - Texas Instruments - 3D model - SOT23 (3-Pin) - SOT23 _1
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LM4040C20QDBZT Details

  • Manufacturer Part Number:

    LM4040C20QDBZT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China, Malaysia, Philippines, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G3

  • JESD-609 Code:

    e4

  • Length:

    2.92 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    2.058 V

  • Output Voltage-Min:

    2.038 V

  • Output Voltage-Nom:

    2.048 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TO-236

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.12 mm

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temp Coef of Voltage-Max:

    150 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Trim/Adjustable Output:

    NO

  • Voltage Tolerance-Max:

    0.5%

  • Width:

    1.3 mm

LM4040C20QDBZT Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a star-grounded layout with the voltage regulator GND pin connected to a solid ground plane. This helps to reduce noise and improve stability. Additionally, keep the input and output capacitors close to the device and use short, wide traces to minimize inductance.
  • The LM4040C20QDBZT is stable with a wide range of output capacitors, but the recommended minimum capacitance is 2.2uF. To ensure stability, use a capacitor with an ESR (Equivalent Series Resistance) of less than 1 ohm. You can also use the TI's WEBENCH tool to simulate the circuit and determine the optimal output capacitor value.
  • The absolute maximum input voltage rating for the LM4040C20QDBZT is 12V. However, it's recommended to operate the device within the recommended input voltage range of 4.5V to 10V to ensure optimal performance and reliability.
  • The LM4040C20QDBZT is rated for operation up to 125°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the output current and ensure proper heat sinking to maintain a safe junction temperature.
  • The power dissipation of the LM4040C20QDBZT can be calculated using the formula: Pd = (Vin - Vout) x Iout. Where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. Ensure that the calculated power dissipation is within the device's recommended rating to prevent overheating.

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LM4040C20QDBZT 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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