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LM340AT-15 - Texas Instruments

Description: IC REG POS 1A 15V TO220

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PCB Footprints
LM340AT-15 - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDE0003B
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3D Models
LM340AT-15 - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDE0003B
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LM340AT-15 Details

  • Manufacturer Part Number:

    LM340AT-15

  • Pbfree Code:

    No

  • Rohs Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    , SIP3,.1TB

  • Pin Count:

    3

  • Reach Compliance Code:

    Unknown

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    3.5 V

  • Input Voltage Absolute-Max:

    35 V

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    17.5 V

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e0

  • Line Regulation-Max:

    0.03%

  • Load Regulation-Max:

    0.075%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Output Current1-Max:

    1 A

  • Output Voltage1-Max:

    15.6 V

  • Output Voltage1-Min:

    14.4 V

  • Output Voltage1-Nom:

    15 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SFM

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    4%

LM340AT-15 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM340AT-15 is 35V, but it's recommended to keep it below 25V for reliable operation.
  • The LM340AT-15 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 input voltage at high temperatures.
  • To ensure stability, it's recommended to use a minimum output capacitance of 1uF and a maximum ESR of 5 ohms. Additionally, the input capacitor should be at least 0.1uF and located close to the regulator.
  • No, it's not recommended to parallel multiple LM340AT-15 regulators to increase the output current. This can cause oscillations and instability. Instead, consider using a higher-current regulator or a different topology.
  • The minimum input voltage required for the LM340AT-15 to regulate properly is around 17V, but this can vary depending on the output current and other factors. It's recommended to ensure a minimum input voltage of 18V for reliable operation.

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LM340AT-15 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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