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LM5140QRWGTQ1 - Texas Instruments

Description: Wide Vin Dual 2.2MHz low Iq Synchronous Buck Controller

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PCB Footprints
LM5140QRWGTQ1 - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RWG
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LM5140QRWGTQ1 - Texas Instruments  - 3D model - Quad Flat No-Lead - RWG
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LM5140QRWGTQ1 Details

  • Manufacturer Part Number:

    LM5140QRWGTQ1

  • 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

  • Additional Feature:

    ALSO AVAILABLE VOUT=5, ALSO OPERATES IN ADJUSTABLE MODE FROM 1.5 TO 15V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    65 V

  • Input Voltage-Min:

    3.8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e4

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    2

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    40 A

  • Output Voltage-Max:

    15 V

  • Output Voltage-Min:

    1.5 V

  • Output Voltage-Nom:

    3.3 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

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    0.9 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2600 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

LM5140QRWGTQ1 Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM5140QRWGTQ1 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the high-current paths. TI provides a recommended PCB layout in the datasheet and application notes.
  • To ensure the LM5140QRWGTQ1 operates within its SOA, monitor the device's junction temperature, input voltage, and output current. Use thermal design and layout techniques to keep the junction temperature below 150°C. Also, ensure the input voltage is within the recommended range and the output current is within the specified maximum rating.
  • The recommended input capacitor type is a low-ESR ceramic capacitor with a value of 10-22 μF. The capacitor should be placed close to the VIN pin to minimize inductance and ensure stable operation.
  • To optimize the LM5140QRWGTQ1 for low standby power consumption, ensure the EN pin is properly biased, use a low-quiescent-current voltage regulator for the VCC pin, and minimize the input voltage to the device. Additionally, consider using a low-power mode or shutdown feature if available.
  • The recommended output capacitor type is a low-ESR ceramic capacitor with a value of 10-22 μF. The capacitor should be placed close to the VOUT pin to minimize inductance and ensure stable operation.

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LM5140QRWGTQ1 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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Part Image LM5140QRWGRQ1 Texas Instruments

Dual Switching Controller, Current-mode, 40A, 2600kHz Switching Freq-Max, BICMOS, PQCC40