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LM340T-5.0 - Texas Instruments

Description: TEXAS INSTRUMENTS - LM340T-5.0 - Linear Voltage Regulator, Fixed, Positive, 7.5V To 35V In, 5V And 1A Out, TO-220-3

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LM340T-5.0 - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDE0003B
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LM340T-5.0 - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDE0003B
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LM340T-5.0 Details

  • Manufacturer Part Number:

    LM340T-5.0

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    POWER, PLASTIC, TO-220, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1989-01-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    2 V

  • Input Voltage Absolute-Max:

    35 V

  • Input Voltage-Max:

    35 V

  • Input Voltage-Min:

    7 V

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e0

  • Length:

    14.986 mm

  • Line Regulation-Max:

    0.05%

  • Load Regulation-Max:

    0.05%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature-Max:

    70 °C

  • Output Current1-Max:

    1.5 A

  • Output Voltage1-Max:

    5.25 V

  • Output Voltage1-Min:

    4.75 V

  • Output Voltage1-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-220

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT STANDARD 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

  • Voltage Tolerance-Max:

    5%

  • Width:

    10.16 mm

LM340T-5.0 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM340T-5.0 is 25V, but it's recommended to keep it below 15V for optimal performance and to prevent overheating.
  • The LM340T-5.0 is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to use a heat sink and ensure good airflow to keep the junction temperature below 125°C.
  • To ensure a stable and accurate output voltage, make sure to use a suitable input capacitor (e.g., 1uF ceramic) and a suitable output capacitor (e.g., 10uF tantalum). Also, keep the input and output capacitors close to the regulator to minimize noise and oscillation.
  • The LM340T-5.0 is rated for a maximum output current of 1.5A, but it's recommended to keep the output current below 1A for optimal performance and to prevent overheating. If you need to power a high-current load, consider using a more suitable regulator or adding an external pass transistor.
  • To protect the LM340T-5.0 from input voltage transients, use a transient voltage suppressor (TVS) diode or a voltage clamp circuit at the input. This will help prevent damage from voltage spikes and surges.

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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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