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LT8391AIUFD#PBF - Analog Devices

Description: LED Lighting Drivers 60V Synchronous 4-Switch Buck-Boost LED Controller with Spread Spectrum

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LT8391AIUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT8391AIUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm x 5mm)
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3D Models
LT8391AIUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm x 5mm)
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LT8391AIUFD#PBF Details

  • Manufacturer Part Number:

    LT8391AIUFD#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:

    9

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    2

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    OPEN-DRAIN

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max:

    60 V

  • Supply Voltage-Min:

    4 V

  • Supply Voltage-Nom:

    12 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LT8391AIUFD#PBF Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the LT8391AIUFD can be found in the LT8391 demo circuit DC2343A. It is essential to follow the layout guidelines to ensure proper operation and minimize noise and EMI.
  • The selection of the inductor depends on the output voltage, output current, and switching frequency. A good starting point is to use the inductor selection guide provided in the datasheet. Additionally, consider factors such as inductor core material, size, and saturation current.
  • The maximum ambient temperature for the LT8391AIUFD is 125°C. However, the device's junction temperature (TJ) should not exceed 150°C. It is essential to ensure proper thermal management to prevent overheating.
  • Yes, the LT8391AIUFD is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard and is available in a variety of grades, including the 'I' grade for industrial temperature range and the 'MP' grade for military and aerospace applications.
  • To troubleshoot issues with the LT8391AIUFD, start by verifying the input voltage, output voltage, and switching frequency. Check for proper PCB layout, inductor selection, and thermal management. Use oscilloscopes and other diagnostic tools to identify the root cause of the issue. Consult the datasheet and application notes for guidance.

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LT8391AIUFD#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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