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LM2734YQMKE/NOPB - Texas Instruments

Description: 3 to 20 V input, 1 A, automotive step-down converter with light load efficiency

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LM2734YQMKE/NOPB - Texas Instruments - PCB symbol
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LM2734YQMKE/NOPB - Texas Instruments PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - DDC0006A
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LM2734YQMKE/NOPB - Texas Instruments - 3D model - SOT23 (6-Pin) - DDC0006A
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LM2734YQMKE/NOPB Details

  • Manufacturer Part Number:

    LM2734YQMKE/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 0.8 TO 18 V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G6

  • JESD-609 Code:

    e3

  • Length:

    2.9 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:

    1 A

  • Output Voltage-Max:

    18 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1900 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:

    1.6 mm

LM2734YQMKE/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 heat sink. The datasheet provides some guidelines, but a more detailed application note from TI provides additional guidance.
  • To ensure reliable start-up, it's essential to follow proper power sequencing and decoupling guidelines. TI recommends using a soft-start circuit and adequate decoupling capacitors to filter out noise and ensure a stable power supply.
  • Operating the device at high ambient temperatures can affect its reliability and lifespan. TI recommends derating the device's output current and voltage according to the temperature derating curve provided in the datasheet to ensure reliable operation.
  • To troubleshoot issues with output voltage regulation, check the input voltage, output voltage, and feedback resistors. Ensure that the feedback resistors are correctly selected and that the output voltage is within the specified range. Also, verify that the device is not overheating or experiencing excessive current draw.
  • To minimize EMI and EMC issues, follow proper PCB layout guidelines, use adequate shielding, and ensure that the device is properly decoupled. TI recommends using a common-mode choke and a ferrite bead to filter out high-frequency noise.

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LM2734YQMKE/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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