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LT8391IUFD#PBF - Analog Devices

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

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LT8391IUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT8391IUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD 28-Lead Plastic QFN (4mm × 5mm)
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3D Models
LT8391IUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD 28-Lead Plastic QFN (4mm × 5mm)
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LT8391IUFD#PBF Details

  • Manufacturer Part Number:

    LT8391IUFD#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

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • 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:

    7

  • 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

LT8391IUFD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8391IUFD involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended. Additionally, it's essential to follow the layout guidelines provided in the datasheet and application notes.
  • The selection of input and output capacitors for the LT8391IUFD depends on the specific application requirements. In general, low-ESR capacitors with high ripple current ratings are recommended. The input capacitor should be able to handle the input voltage and current, while the output capacitor should be able to handle the output voltage and current. The datasheet provides guidelines for capacitor selection, and it's essential to follow them.
  • The maximum ambient temperature range for the LT8391IUFD is -40°C to 125°C. However, the device's performance and reliability may be affected at extreme temperatures. It's essential to ensure that the device operates within the recommended temperature range for optimal performance and reliability.
  • Troubleshooting issues with the LT8391IUFD involves identifying the symptoms, checking the PCB layout and component selection, and verifying the input and output voltages and currents. The datasheet and application notes provide troubleshooting guidelines, and it's essential to follow them. Additionally, using a oscilloscope and other diagnostic tools can help identify the root cause of the issue.
  • Yes, the LT8391IUFD is suitable for high-reliability applications. It's a high-performance, low-noise, and low-dropout regulator that meets the requirements of many high-reliability applications. However, it's essential to follow the recommended design guidelines, use high-quality components, and ensure that the device operates within the recommended specifications.

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LT8391IUFD#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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