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LM20143MHX/NOPB - Texas Instruments

Description: 2.95-5.5V, 3A, Current Mode Synchronous Buck Regulator with Adjustable Frequency

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LM20143MHX/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LM20143MHX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0016A PowerPAD HTSSOP - 1.2 mm max height
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LM20143MHX/NOPB - Texas Instruments - 3D model - Small Outline Packages - PWP0016A PowerPAD HTSSOP - 1.2 mm max height
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LM20143MHX/NOPB Details

  • Manufacturer Part Number:

    LM20143MHX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    OUTPUT VOLTAGE IS ADJUSTABLE FROM 0.8 TO 3.3V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.95 V

  • Input Voltage-Nom:

    5 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:

    3 A

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    0.8 V

  • Output Voltage-Nom:

    2.7 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:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1500 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

LM20143MHX/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM20143MHX/NOPB should include a solid ground plane, a separate power plane for the input voltage, and a thermal relief pattern around the device to facilitate heat dissipation. Additionally, placing the device near a thermal pad or a heat sink can improve thermal performance.
  • To ensure stability and prevent oscillations, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, adding a small capacitor (e.g., 10nF) between the output and ground can help to filter out high-frequency noise and improve stability.
  • Although the datasheet specifies a maximum input voltage of 42V, it's recommended to limit the input voltage to 40V or less to ensure reliable operation and prevent damage to the device.
  • While the device is rated for operation up to 125°C, it's essential to consider the thermal derating curves and ensure that the device does not exceed its maximum junction temperature (150°C) to prevent damage or degradation.
  • The output capacitor should be selected based on the desired output voltage ripple, output current, and stability requirements. A general guideline is to use a low-ESR capacitor with a value between 10uF and 100uF, depending on the specific application requirements.

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LM20143MHX/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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LM20143MHX/NOPB Alternates

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For a full list of alternate parts for LM20143MHX/NOPB, check out Findchips.com