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LMR14203XMKX/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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PCB Footprints
LMR14203XMKX/NOPB - Texas Instruments PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - DDC
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LMR14203XMKX/NOPB - Texas Instruments  - 3D model - SOT23 (6-Pin) - DDC
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LMR14203XMKX/NOPB Details

  • Manufacturer Part Number:

    LMR14203XMKX/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:

    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

LMR14203XMKX/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 copper pour coverage around the device. Additionally, using a 2-3 layer PCB with a solid ground plane can help to reduce thermal resistance.
  • To ensure stability and prevent oscillations, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, adding a small ceramic capacitor (e.g., 10nF) between the output and ground can help to filter out high-frequency noise and improve stability.
  • The maximum input voltage that can be applied to the LMR14203XMKX/NOPB is 42V. Exceeding this voltage can cause damage to the device.
  • The output voltage ripple and noise can be calculated using the equations provided in the datasheet. Additionally, the output voltage ripple can be measured using an oscilloscope and a low-pass filter can be added to reduce the ripple.
  • The recommended input capacitor value is 10uF to 22uF, and a low-ESR ceramic capacitor (e.g., X5R or X7R) is recommended for optimal performance.

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LMR14203XMKX/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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