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LM2679SDX-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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LM2679SDX-ADJ/NOPB - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - NHM0014A
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LM2679SDX-ADJ/NOPB - Texas Instruments  - 3D model - Small Outline No-lead - NHM0014A
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LM2679SDX-ADJ/NOPB Details

  • Manufacturer Part Number:

    LM2679SDX-ADJ/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SON

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • 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-XDSO-N14

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    14

  • 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:

    HVSON

  • Package Equivalence Code:

    SOLCC14,.2,32

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    260 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    5 mm

LM2679SDX-ADJ/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2679SDX-ADJ/NOPB is 40V, but it's recommended to keep it below 38V to ensure reliable operation.
  • The output voltage of the LM2679SDX-ADJ/NOPB can be adjusted by connecting a resistor divider network between the output pin and the adjust pin. The ratio of the resistors determines the output voltage, which can be calculated using the formula: Vout = 1.245V x (1 + R1/R2).
  • The minimum input capacitance required for the LM2679SDX-ADJ/NOPB is 10uF, but it's recommended to use a higher value (e.g. 22uF) to ensure stable operation and reduce input ripple.
  • The LM2679SDX-ADJ/NOPB has a maximum operating junction temperature of 150°C, but it's recommended to keep the temperature below 125°C to ensure reliable operation and long-term reliability.
  • The LM2679SDX-ADJ/NOPB has a built-in overcurrent protection feature that limits the output current to 3.5A. However, it's recommended to add an external current-sensing resistor and a fuse to provide additional protection against overcurrent conditions.

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LM2679SDX-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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Part Image LM2679SD-ADJ/NOPB Texas Instruments

Switching Regulator, Voltage-mode, 5A, 260kHz Switching Freq-Max, DSO14