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LM2678T-3.3/NOPB - Texas Instruments

Description: SIMPLE SWITCHER 8V to 40V, 5A High Efficiency Step-Down DC/DC Switching Regulator

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LM2678T-3.3/NOPB - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDZ0007B
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3D Models
LM2678T-3.3/NOPB - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDZ0007B
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LM2678T-3.3/NOPB Details

  • Manufacturer Part Number:

    LM2678T-3.3/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

  • 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

  • Output Voltage-Nom:

    3.3 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

LM2678T-3.3/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2678T-3.3/NOPB is 40V, but it's recommended to keep it below 30V for reliable operation.
  • The LM2678T-3.3/NOPB has a maximum operating junction temperature of 150°C, but it's recommended to keep it below 125°C for reliable operation. You can use thermal management techniques like heat sinks or thermal interfaces to reduce the junction temperature.
  • To ensure the stability of the output voltage, make sure to use the recommended output capacitor value and type, and keep the output capacitor close to the device. Also, ensure that the input voltage is within the recommended range and the device is operated within the recommended temperature range.
  • Yes, the LM2678T-3.3/NOPB is a switching regulator, and it's designed for use in switching power supply designs. However, you need to ensure that the design meets the recommended operating conditions and layout guidelines to minimize electromagnetic interference (EMI) and ensure reliable operation.
  • The power dissipation of the LM2678T-3.3/NOPB can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. You can also use the thermal resistance (RθJA) and the maximum operating junction temperature to estimate the power dissipation.

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LM2678T-3.3/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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