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LM3754SQX/NOPB - Texas Instruments

Description: Switching Controllers 4.5-V to 18-V, scalable 2-phase synchronous buck controller with integrated FET drivers 32-WQFN -5 to 125

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LM3754SQX/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LM3754SQX/NOPB - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RTV0032A 2021
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3D Models
LM3754SQX/NOPB - Texas Instruments - 3D model - Quad Flat No-Lead - RTV0032A 2021
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LM3754SQX/NOPB Details

  • Manufacturer Part Number:

    LM3754SQX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N32

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -5 °C

  • Output Current-Max:

    50 A

  • Output Voltage-Max:

    3.6 V

  • Output Voltage-Min:

    0.6 V

  • Output Voltage-Nom:

    3.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Position:

    QUAD

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

    30

LM3754SQX/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to minimize thermal resistance. Additionally, placing the device near a thermal pad or heat sink can improve thermal performance.
  • To ensure reliable start-up and operation, it's recommended to add a soft-start circuit to limit the inrush current and prevent voltage drops. Additionally, using a high-quality input capacitor with low ESR and a sufficient voltage rating can help to filter out noise and ensure stable operation.
  • The maximum output current capability of the LM3754SQX/NOPB is 4A, but it's recommended to derate the output current based on the ambient temperature and the thermal performance of the PCB to ensure reliable operation.
  • To protect the device from overvoltage and undervoltage conditions, it's recommended to add overvoltage protection (OVP) and undervoltage protection (UVP) circuits. OVP can be implemented using a zener diode and a resistor, while UVP can be implemented using a voltage supervisor IC.
  • The recommended input capacitor value is 10uF to 22uF, and it's recommended to use a low-ESR ceramic capacitor or a film capacitor with a high ripple current rating to minimize voltage drops and ensure stable operation.

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LM3754SQX/NOPB Overview

Use the download button to access the LM3754SQX/NOPB schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LM375, or try a keyword search, such as Switching Regulator or Controllers

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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