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LM20144MHX/NOPB - Texas Instruments

Description: Switching Voltage Regulators 2.95-5.5V, 4A, Current Mode Synchronous Buck Regulator with Adjustable Frequency 16-HTSSOP -40 to 125

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LM20144MHX/NOPB - Texas Instruments - PCB symbol
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LM20144MHX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0016A _ 2021
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LM20144MHX/NOPB - Texas Instruments - 3D model - Small Outline Packages - PWP0016A _ 2021
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LM20144MHX/NOPB Details

  • Manufacturer Part Number:

    LM20144MHX/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:

    ADJUSTABLE OUTPUT VOLTAGE DOWN TO 0.8V; SEATED HGT-NOM

  • 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:

    4 A

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    0.8 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:

    1500 kHz

  • 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

LM20144MHX/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer or 4-layer PCB with a solid ground plane and a thermal relief pattern under the IC to improve thermal performance. A detailed layout guide can be found in the LM20144 application note.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, a minimum output capacitance of 10uF with an ESR of 1 ohm or less is recommended. A detailed stability analysis can be found in the LM20144 application note.
  • Although the datasheet specifies a maximum input voltage of 42V, it's recommended to limit the input voltage to 40V to ensure reliable operation and prevent damage to the internal components.
  • Yes, the LM20144 is rated for operation up to 125°C. However, it's essential to consider the thermal derating of the device and ensure that the junction temperature remains within the specified limits. A detailed thermal analysis can be found in the LM20144 application note.
  • The inductor value depends on the input voltage, output voltage, and switching frequency. A detailed inductor selection guide can be found in the LM20144 application note. As a general rule, a higher inductance value is recommended for higher input voltages and lower switching frequencies.

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LM20144MHX/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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