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LM2940IMP-12 - Texas Instruments

Description: LDO Regulator Pos 12V 1A 4-Pin(3+Tab) SOT-223 T/R

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PCB Footprints
LM2940IMP-12 - Texas Instruments PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - DCY (R-PDSO-G4)
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3D Models
LM2940IMP-12 - Texas Instruments  - 3D model - SOT223 (3-Pin) - DCY (R-PDSO-G4)
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LM2940IMP-12 Details

  • Manufacturer Part Number:

    LM2940IMP-12

  • Brand Name:

    Texas Instruments

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-223

  • Pin Count:

    4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    1 V

  • Dropout Voltage1-Nom:

    0.5 V

  • Input Voltage Absolute-Max:

    60 V

  • Input Voltage-Max:

    26 V

  • Input Voltage-Min:

    13.6 V

  • JESD-30 Code:

    R-PDSO-G4

  • JESD-609 Code:

    e0

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.12%

  • Load Regulation-Max:

    0.2%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    4

  • Operating Temperature TJ-Max:

    150 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    1 A

  • Output Voltage1-Max:

    12.6 V

  • Output Voltage1-Min:

    11.4 V

  • Output Voltage1-Nom:

    12 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:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.3 mm

  • Terminal Position:

    DUAL

  • Voltage Tolerance-Max:

    5%

  • Width:

    3.56 mm

LM2940IMP-12 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2940IMP-12 is 26V, but it's recommended to keep it below 20V for reliable operation.
  • The LM2940IMP-12 is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to derate the output current and voltage at high temperatures.
  • To ensure the stability of the output voltage, it's recommended to use a minimum output capacitance of 22uF and a maximum ESR of 5 ohms. Additionally, the input capacitor should be at least 10uF with an ESR of 1 ohm or less.
  • The minimum input voltage required for the LM2940IMP-12 to operate is 6.5V, but it's recommended to keep it above 7V for reliable operation.
  • The LM2940IMP-12 is not a low-dropout regulator, and it requires a minimum dropout voltage of 1.5V to maintain regulation. If you need a low-dropout regulator, consider using a different part like the TLV703 or TPS63051.

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LM2940IMP-12 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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