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LM27402MHX/NOPB - Texas Instruments

Description: 3-20V, Voltage Mode Synchronous Buck Controller with DCR Current Sensing

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LM27402MHX/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LM27402MHX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0016A-021
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LM27402MHX/NOPB - Texas Instruments - 3D model - Small Outline Packages - PWP0016A-021
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LM27402MHX/NOPB Details

  • Manufacturer Part Number:

    LM27402MHX/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:

    SEATED HGT-NOM

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    30 A

  • Output Voltage-Max:

    18.6 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1200 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LM27402MHX/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM27402MHX/NOPB should include a solid ground plane, wide power traces, and a thermal relief pattern under the IC. This helps to reduce thermal resistance and improve heat dissipation.
  • To ensure stable output voltage regulation, make sure to decouple the input and output with suitable capacitors, and use a stable voltage reference. Also, ensure that the output capacitor is sufficient to handle the output current and ripple requirements.
  • The LM27402MHX/NOPB is rated for operation up to 125°C ambient temperature. However, it's recommended to derate the device for reliable operation above 85°C ambient temperature.
  • Yes, the LM27402MHX/NOPB is suitable for high-reliability applications. It's built with a robust design and has undergone rigorous testing to ensure its reliability. However, it's essential to follow proper design and manufacturing guidelines to ensure the device operates within its specified limits.
  • To protect the LM27402MHX/NOPB from overvoltage and undervoltage conditions, use a voltage supervisor or a power-on reset circuit to monitor the input voltage and reset the device if it falls outside the specified range.

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LM27402MHX/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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