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LM2677T-ADJ/NOPB - Texas Instruments

Description: Texas Instruments, LM2677T-ADJ/NOPB Step-Down Switching Regulator 5A Adjustable, 1.2 → 37 V, 7-Pin TO-220

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LM2677T-ADJ/NOPB - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDZ0007B
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LM2677T-ADJ/NOPB - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDZ0007B
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LM2677T-ADJ/NOPB Details

  • Manufacturer Part Number:

    LM2677T-ADJ/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SFM

  • Pin Count:

    3

  • 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-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:

    TO-220

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Qualification Status:

    Not Qualified

  • 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

LM2677T-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 adjust pin. The datasheet provides a formula to calculate the required resistor values.
  • The minimum input voltage is 7.5V, but it's recommended to keep it above 8V for reliable operation.
  • The LM2677T-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, a minimum output capacitance of 22µF is recommended, and the ESR (Equivalent Series Resistance) should be less than 1Ω. Additionally, a 10nF capacitor between the adjust pin and ground can help improve stability.

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LM2677T-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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