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LM2678SX-ADJ/NOPB - Texas Instruments

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

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LM2678SX-ADJ/NOPB - Texas Instruments PCB footprint - Other - Other - KTW0007B_2020
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LM2678SX-ADJ/NOPB Details

  • Manufacturer Part Number:

    LM2678SX-ADJ/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    D2PAK

  • Pin Count:

    4

  • 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

  • JESD-30 Code:

    R-PSSO-G7

  • JESD-609 Code:

    e3

  • Length:

    10.16 mm

  • Moisture Sensitivity Level:

    3

  • 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:

    PLASTIC/EPOXY

  • Package Code:

    TO-263

  • Package Equivalence Code:

    SMSIP7H,.55,50TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    245

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    260 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    SINGLE

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

    30

  • Width:

    8.635 mm

LM2678SX-ADJ/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2678SX-ADJ/NOPB is 40V. Exceeding this voltage can cause damage to the device.
  • To ensure stability of the output voltage, it is recommended to use a minimum output capacitance of 22uF and a maximum ESR of 1 ohm. Additionally, the output voltage should be decoupled with a 10uF capacitor.
  • The minimum input capacitance required for the LM2678SX-ADJ/NOPB is 10uF. This is to ensure that the input voltage is properly filtered and regulated.
  • The LM2678SX-ADJ/NOPB is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It is recommended to derate the device's output current and voltage at high temperatures.
  • The output voltage of the LM2678SX-ADJ/NOPB can be adjusted by using a resistive divider network between the output and the ADJ pin. The output voltage can be calculated using the formula: Vout = 1.245V x (1 + R1/R2), where R1 and R2 are the resistors in the divider network.

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LM2678SX-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 LM2678S-ADJ National Semiconductor Corporation

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Part Image LM2678S-ADJ/NOPB National Semiconductor Corporation

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Part Image LM2678SX-ADJ/NOPB National Semiconductor Corporation

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Part Image LM2678S-ADJ Texas Instruments

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