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LM2940T-12.0 - Texas Instruments

Description: TEXAS INSTRUMENTS - LM2940T-12.0 - IC, V REG LDO +12V, 2940, TO-220-3

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LM2940T-12.0 - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDE0003B
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LM2940T-12.0 - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDE0003B
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LM2940T-12.0 Details

  • Manufacturer Part Number:

    LM2940T-12.0

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    PLASTIC, TO-220, 3 PIN

  • Pin Count:

    3

  • 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-PSFM-T3

  • JESD-609 Code:

    e0

  • Length:

    14.986 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:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-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:

    SFM

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    NOT APPLICABLE

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    4.7 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

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

    NOT APPLICABLE

  • Voltage Tolerance-Max:

    5%

  • Width:

    10.16 mm

LM2940T-12.0 Frequently Asked Questions (FAQs)

  • The maximum input voltage for the LM2940T-12.0 is 26V, but it's recommended to keep it below 20V for reliable operation.
  • The LM2940T-12.0 is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to use a heat sink or thermal management system to keep the temperature below 100°C.
  • To ensure a stable output voltage, make sure to use a suitable input capacitor (e.g., 10uF) and output capacitor (e.g., 22uF) as recommended in the datasheet. Also, keep the input voltage within the recommended range and avoid overloading the regulator.
  • No, the LM2940T-12.0 is a linear voltage regulator, not a switching regulator. It's not designed for high-frequency switching applications and may not provide the necessary efficiency or performance.
  • Use a transient voltage suppressor (TVS) diode or a voltage clamp circuit to protect the LM2940T-12.0 from input voltage surges or spikes. You can also add a series resistor and capacitor to filter out high-frequency noise.

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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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