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LTC7149EUFD#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC7149EUFD#PBF - DC/DC CONV, SYNC BUCK, 3MHZ, QFN-28

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LTC7149EUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC7149EUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD Package
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LTC7149EUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD Package
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LTC7149EUFD#PBF Details

  • Manufacturer Part Number:

    LTC7149EUFD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1712

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM -28 TO -0.05

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    BURST MODE

  • Input Voltage-Max:

    60.05 V

  • Input Voltage-Min:

    3.4 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6.6 A

  • Output Voltage-Max:

    -28 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • 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:

    1080 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC7149EUFD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC7149EUFD involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the input and output capacitors are of high quality and have low ESR. Additionally, avoid using long input and output traces, and keep the device away from noise sources.
  • The maximum ambient temperature range for the LTC7149EUFD is -40°C to 125°C. However, the device's performance may degrade at higher temperatures, so it's recommended to keep the ambient temperature below 85°C for optimal performance.
  • Yes, the LTC7149EUFD is suitable for high-reliability applications. It's manufactured using a high-reliability process, and it's qualified to automotive and industrial standards. However, it's recommended to follow proper design and manufacturing guidelines to ensure the device's reliability in your specific application.
  • To troubleshoot issues with the LTC7149EUFD, start by checking the input and output voltages, and ensure that the device is properly powered. Check for any signs of overheating, and verify that the device is properly soldered and connected. Use an oscilloscope to check for any unusual waveforms or noise on the input and output pins.

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LTC7149EUFD#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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