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LM2679T-ADJ - Texas Instruments

Description: IC, STEP-DOWN REGULATOR

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PCB Footprints
LM2679T-ADJ - Texas Instruments PCB footprint - Other - Other - TO127P457X1016X2052-7P
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3D Models
LM2679T-ADJ - Texas Instruments  - 3D model - Other - TO127P457X1016X2052-7P
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LM2679T-ADJ Details

  • Manufacturer Part Number:

    LM2679T-ADJ

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    TO-220, 7 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-XZFM-T7

  • JESD-609 Code:

    e0

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    8.1 A

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    TO-220

  • Package Equivalence Code:

    ZIP7H,.16,.7TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    280 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    ZIG-ZAG

LM2679T-ADJ Frequently Asked Questions (FAQs)

  • The minimum input voltage required for the LM2679T-ADJ to operate is 7.5V, but it's recommended to use an input voltage of at least 8V to ensure proper operation and to account for any voltage drops in the system.
  • The LM2679T-ADJ has a maximum operating junction temperature of 150°C, but it's recommended to keep the junction temperature below 125°C for reliable operation. You can use thermal management techniques such as heat sinks or thermal interfaces to keep the temperature within the recommended range.
  • The output voltage of the LM2679T-ADJ can be calculated using the formula: Vout = 1.2V x (1 + R2/R1), where R1 and R2 are the resistors used to set the output voltage. You can use the datasheet's voltage adjustment formula to calculate the exact output voltage for your specific application.
  • The maximum output current of the LM2679T-ADJ is 3A, but it's recommended to derate the output current based on the input voltage and ambient temperature to ensure reliable operation. You can use the datasheet's thermal derating curves to determine the maximum output current for your specific application.
  • Yes, the LM2679T-ADJ is a switching regulator, and it's designed for use in switching power supply designs. However, you need to ensure that the input voltage, output voltage, and output current are within the recommended operating ranges, and that you follow proper layout and design guidelines to minimize electromagnetic interference (EMI) and ensure reliable operation.

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LM2679T-ADJ 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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