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LM5141RGET - Texas Instruments

Description: Low Iq, Wide Input Range Synchronous Buck Controller

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LM5141RGET - Texas Instruments - PCB symbol
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PCB Footprints
LM5141RGET - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RGE0024J
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3D Models
LM5141RGET - Texas Instruments - 3D model - Quad Flat No-Lead - RGE0024J
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LM5141RGET Details

  • Manufacturer Part Number:

    LM5141RGET

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2017-03-19

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    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-N24

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    20 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:

    VQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2600 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LM5141RGET Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM5141RGET 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 layout in the datasheet and application notes.
  • Choose input capacitors with low ESR and high ripple current rating. For output capacitors, choose ones with low ESR and high capacitance. TI recommends using ceramic or film capacitors with X7R or X5R dielectrics. The datasheet provides guidelines for capacitor selection.
  • The maximum ambient temperature for the LM5141RGET is 85°C. However, the device can operate up to 125°C junction temperature. Ensure proper thermal design and heat sinking to maintain a safe operating temperature.
  • Yes, the LM5141RGET is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard and is manufactured using automotive-grade processes.
  • Use an oscilloscope to monitor the input and output voltages, and check for signs of oscillation or ringing. Verify that the input and output capacitors are properly selected and placed. Check the thermal design and ensure proper heat sinking. Consult the datasheet and application notes for troubleshooting guidelines.

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LM5141RGET 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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