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LM2679T-ADJ/NOPB - Texas Instruments

Description: SIMPLE SWITCHER® 8V to 40V, 5A Step-Down DC/DC Switching Regulator with Adjustable Current Limit

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LM2679T-ADJ/NOPB - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDZ0007B
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LM2679T-ADJ/NOPB - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDZ0007B
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LM2679T-ADJ/NOPB Details

  • Manufacturer Part Number:

    LM2679T-ADJ/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 1.2 TO 37V

  • 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:

    e3

  • Length:

    14.986 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    5 A

  • Output Voltage-Max:

    37 V

  • Output Voltage-Min:

    1.23 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    ZIP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Seated Height-Max:

    4.7 mm

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    260 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    ZIG-ZAG

  • Width:

    10.16 mm

LM2679T-ADJ/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage is 40V, but it's recommended to keep it below 30V for reliable operation.
  • The output voltage can be adjusted by connecting a resistor divider network between the output and the ADJ pin. The voltage is set by the ratio of the resistors and the internal reference voltage (1.21V).
  • The minimum input voltage is 7.5V, but it's recommended to keep it above 8V for reliable operation.
  • The LM2679T-ADJ/NOPB is rated for operation up to 125°C, but the maximum junction temperature should not exceed 150°C. Thermal management is crucial in high-temperature environments.
  • To ensure stability, use a minimum output capacitance of 22µF, and keep the ESR (Equivalent Series Resistance) below 1Ω. Additionally, use a low-ESR input capacitor (e.g., ceramic or film capacitor) to filter the input voltage.

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LM2679T-ADJ/NOPB 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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