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LM2937IMPX-3.3 - Texas Instruments

Description: LDO Regulator Pos 3.3V 0.5A Automotive 4-Pin(3+Tab) SOT-223 T/R

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PCB Footprints
LM2937IMPX-3.3 - Texas Instruments PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - DCY (R-PDSO-G4)
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3D Models
LM2937IMPX-3.3 - Texas Instruments  - 3D model - SOT223 (3-Pin) - DCY (R-PDSO-G4)
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LM2937IMPX-3.3 Details

  • Manufacturer Part Number:

    LM2937IMPX-3.3

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-223

  • Package Description:

    PLASTIC, SOT-223, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1998-02-02

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.5 V

  • Dropout Voltage1-Nom:

    0.5 V

  • Input Voltage Absolute-Max:

    26 V

  • Input Voltage-Max:

    26 V

  • Input Voltage-Min:

    4.75 V

  • JESD-30 Code:

    R-PDSO-G4

  • JESD-609 Code:

    e0

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.033%

  • Load Regulation-Max:

    0.033%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    4

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    0.5 A

  • Output Voltage1-Max:

    3.46 V

  • Output Voltage1-Min:

    3.14 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:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.3 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Voltage Tolerance-Max:

    4.8%

  • Width:

    3.56 mm

LM2937IMPX-3.3 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2937IMPX-3.3 is 15V, but it's recommended to keep it below 12V for reliable operation.
  • Yes, the LM2937IMPX-3.3 is a low-dropout linear regulator that can be used to regulate voltage for microcontrollers, but ensure the input voltage is within the recommended range and the output current is within the maximum rating of 500mA.
  • The output voltage of the LM2937IMPX-3.3 is fixed at 3.3V and does not require any external resistors or capacitors to set the output voltage.
  • The minimum input capacitance required for the LM2937IMPX-3.3 is 10uF, but it's recommended to use a 22uF or larger capacitor to ensure stable operation.
  • The LM2937IMPX-3.3 is rated for operation up to 125°C, but the output current and voltage regulation may be affected at high temperatures. Ensure proper thermal design and heat sinking to maintain reliable operation.

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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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