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LMR14203XMKE/NOPB - Texas Instruments

Description: SIMPLE SWITCHER 4.5V to 42V, 0.3A Step-Down DC/DC Switching Regulator in SOT-23

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LMR14203XMKE/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LMR14203XMKE/NOPB - Texas Instruments PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - R-PDSO-G6 _1
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3D Models
LMR14203XMKE/NOPB - Texas Instruments - 3D model - SOT23 (6-Pin) - R-PDSO-G6 _1
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LMR14203XMKE/NOPB Details

  • Manufacturer Part Number:

    LMR14203XMKE/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Pin Count:

    6

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.765 TO 34V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    42 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G6

  • JESD-609 Code:

    e3

  • Length:

    2.97 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.3 A

  • Output Voltage-Max:

    34 V

  • Output Voltage-Min:

    0.765 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VSSOP

  • Package Equivalence Code:

    TSOP6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    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:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.65 mm

LMR14203XMKE/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the PCB. A 2-layer or 4-layer PCB with a solid ground plane is recommended. Additionally, placing vias under the device can help to dissipate heat more efficiently.
  • To ensure stability and prevent oscillations, it's essential to follow the recommended layout and component selection guidelines. This includes using a low-ESR output capacitor, a high-quality input capacitor, and a well-regulated input voltage. Additionally, the device's output should be decoupled from the input using a ferrite bead or a small inductor.
  • The maximum input voltage that can be applied to the LMR14203XMKE/NOPB is 42V. Exceeding this voltage can cause damage to the device. It's essential to ensure that the input voltage is within the recommended range to ensure reliable operation.
  • The selection of the output capacitor depends on the specific requirements of the design. A general guideline is to use a low-ESR capacitor with a value between 10uF to 22uF. The capacitor should be rated for the output voltage and should have a low equivalent series resistance (ESR) to minimize voltage ripple.
  • The recommended input capacitor value is between 1uF to 10uF, and it should be a low-ESR ceramic capacitor or a film capacitor. The capacitor should be rated for the input voltage and should be placed close to the device's input pins to minimize noise and ripple.

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LMR14203XMKE/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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