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LM20123MHX/NOPB - Texas Instruments

Description: 2.95-5.5V, 3A, Current Mode Synchronous Buck Regulator with Optional Automotive Grade

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LM20123MHX/NOPB - Texas Instruments - PCB symbol
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LM20123MHX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0016A PowerPAD HTSSOP - 1.2 mm max height
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LM20123MHX/NOPB - Texas Instruments - 3D model - Small Outline Packages - PWP0016A PowerPAD HTSSOP - 1.2 mm max height
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LM20123MHX/NOPB Details

  • Manufacturer Part Number:

    LM20123MHX/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

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT/VOLTAGE-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

  • 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

  • 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

LM20123MHX/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM20123MHX/NOPB should include a solid ground plane, wide power traces, and a thermal relief pattern under the device to facilitate heat dissipation. TI provides a recommended PCB layout in the datasheet.
  • To ensure stability, it's essential to follow the recommended capacitor selection and placement guidelines in the datasheet. Additionally, ensure that the output capacitor has a low ESR and is placed close to the output pin.
  • The LM20123MHX/NOPB can handle input voltages up to 42V, but it's recommended to operate within the specified input voltage range (3.5V to 36V) for optimal performance and reliability.
  • The LM20123MHX/NOPB is rated for operation up to 125°C, but it's essential to consider the device's power dissipation and thermal management when operating in high-temperature environments. Ensure proper heat sinking and thermal design to prevent overheating.
  • To troubleshoot issues, start by verifying the input voltage, output voltage, and current draw. Check the PCB layout, component selection, and thermal design. Use oscilloscopes and thermal imaging cameras to identify potential issues. Consult the datasheet and TI's application notes for guidance.

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LM20123MHX/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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LM20123MHX/NOPB Alternates

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Part Image LM20123MHE/NOPB Texas Instruments

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Part Image LM20123MHX National Semiconductor Corporation

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Part Image LM20123MH/NOPB National Semiconductor Corporation

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Part Image LM20123QMHX Texas Instruments

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Part Image LM20123QMH Texas Instruments

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For a full list of alternate parts for LM20123MHX/NOPB, check out Findchips.com