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LM3940IMP-3.3/NOPB - Texas Instruments

Description: LM3940IMP-3.3/NOPB, Low Dropout Voltage Regulator, 1A, 3.3 V, 4.5 → 7.5 Vin, 4-Pin SOT-223

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PCB Footprints
LM3940IMP-3.3/NOPB - Texas Instruments PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - DCY (R-PDSO-G4)
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3D Models
LM3940IMP-3.3/NOPB - Texas Instruments  - 3D model - SOT223 (3-Pin) - DCY (R-PDSO-G4)
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LM3940IMP-3.3/NOPB Details

  • Manufacturer Part Number:

    LM3940IMP-3.3/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-223

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    1 V

  • Dropout Voltage1-Nom:

    0.31 V

  • Input Voltage Absolute-Max:

    7.5 V

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    4.5 V

  • JESD-30 Code:

    R-PDSO-G4

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.04%

  • Load Regulation-Max:

    0.08%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    4

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    1 A

  • Output Voltage1-Max:

    3.47 V

  • Output Voltage1-Min:

    3.13 V

  • Output Voltage1-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOT-223

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.8 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.3 mm

  • Terminal Position:

    DUAL

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

    30

  • Voltage Tolerance-Max:

    5.2%

  • Width:

    3.56 mm

LM3940IMP-3.3/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM3940IMP-3.3/NOPB is 12V, but it's recommended to keep it below 10V for reliable operation.
  • To ensure the stability of the output voltage, it's recommended to use a minimum of 10uF capacitor at the output and a 1uF capacitor at the input, and to keep the input voltage ripple below 100mV.
  • The minimum input voltage required for the LM3940IMP-3.3/NOPB to operate is 6.5V, but it's recommended to keep it above 7V for reliable operation.
  • The LM3940IMP-3.3/NOPB is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at high temperatures to ensure reliable operation.
  • The power dissipation of the LM3940IMP-3.3/NOPB 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.

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LM3940IMP-3.3/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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