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LM2734XQMK/NOPB - Texas Instruments

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

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PCB Footprints
LM2734XQMK/NOPB - Texas Instruments PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - DDC0006A
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LM2734XQMK/NOPB - Texas Instruments  - 3D model - SOT23 (6-Pin) - DDC0006A
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LM2734XQMK/NOPB Details

  • Manufacturer Part Number:

    LM2734XQMK/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 Equivalence Code:

    TSOP6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • 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

LM2734XQMK/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM2734XQMK/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 stable output voltage regulation, ensure that the input voltage is within the recommended range, use a suitable output capacitor with low ESR, and provide a stable reference voltage. Additionally, ensure that the device is operated within its recommended operating conditions.
  • The maximum output current capability of the LM2734XQMK/NOPB is 3A. However, the actual output current capability may be limited by the device's thermal performance, input voltage, and output voltage.
  • To protect the device from overvoltage and undervoltage conditions, use a voltage supervisor or a voltage monitor IC to detect and respond to voltage faults. Additionally, consider using a voltage regulator with built-in overvoltage protection (OVP) and undervoltage protection (UVP).
  • The recommended input capacitor value is 10uF to 22uF, with a low ESR (Equivalent Series Resistance) and a voltage rating that exceeds the maximum input voltage. A ceramic or film capacitor is recommended due to their low ESR and high reliability.

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LM2734XQMK/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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