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LMQ66430R5RXBR - Texas Instruments

Description: Switching Voltage Regulators 36-V, 3-A low EMI synchronous step-down converter with 1.5-uA IQ 14-VQFN-FCRLF -40 to 125

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PCB Footprints
LMQ66430R5RXBR - Texas Instruments PCB footprint - Other - Other - RXB0014A
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LMQ66430R5RXBR - Texas Instruments  - 3D model - Other - RXB0014A
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LMQ66430R5RXBR Details

  • Manufacturer Part Number:

    LMQ66430R5RXBR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    13.5 V

  • JESD-30 Code:

    S-PQCC-N14

  • JESD-609 Code:

    e4

  • Length:

    2.6 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    35 V

  • Output Voltage-Min:

    1 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HQCCN

  • Package Equivalence Code:

    LCC14,.1SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.05 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 kHz

  • Technology:

    BICMOS

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    2.6 mm

LMQ66430R5RXBR Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. The device should be placed near a thermal pad or heat sink to dissipate heat efficiently.
  • Monitor the device's junction temperature (TJ) and ensure it stays within the recommended range of -40°C to 150°C. Also, ensure the input voltage (VIN) is within the recommended range of 2.7V to 5.5V.
  • A 10uF to 22uF ceramic capacitor (X5R or X7R dielectric) is recommended for the input capacitor (CIN). This value provides a good balance between noise filtering and stability.
  • Use a shielded enclosure, keep the device away from antennas and other EMI sources, and use a common-mode choke or ferrite bead on the output to reduce EMI emissions.
  • A 10uF to 22uF ceramic capacitor (X5R or X7R dielectric) is recommended for the output capacitor (COUT). This value provides a good balance between output ripple and stability.

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LMQ66430R5RXBR 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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