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LT8391AHUFD#TRPBF - Analog Devices

Description: 60V 2MHz Synchronous 4-Switch Buck-Boost LED Driver Controller

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LT8391AHUFD#TRPBF - Analog Devices - PCB symbol
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LT8391AHUFD#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD 28-Lead Plastic QFN (4mm × 5mm)
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LT8391AHUFD#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD 28-Lead Plastic QFN (4mm × 5mm)
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LT8391AHUFD#TRPBF Details

  • Manufacturer Part Number:

    LT8391AHUFD#TRPBF

  • 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:

    150 °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

LT8391AHUFD#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the LT8391AHUFD's performance. Analog Devices recommends a 4-layer board with a solid ground plane, and to keep the input and output capacitors close to the IC. Also, keep the high-current paths short and wide, and avoid routing high-frequency signals near sensitive analog nodes.
  • The input capacitor should be a low-ESR ceramic capacitor with a value between 10uF to 22uF. The output capacitor should be a low-ESR ceramic or polymer capacitor with a value between 22uF to 47uF. The capacitor selection also depends on the output voltage and current requirements.
  • The LT8391AHUFD is rated for operation up to 125°C junction temperature. However, for reliable operation, it's recommended to keep the ambient temperature below 105°C. Above this temperature, the IC's performance and reliability may degrade.
  • To ensure good thermal performance, use a heat sink or a thermal pad on the IC, and make sure there is good airflow around the device. Also, keep the IC away from other heat sources on the board, and avoid blocking the airflow around the IC.
  • The recommended input voltage range for the LT8391AHUFD is 2.9V to 5.5V. Operating the IC outside this range may affect its performance and reliability.

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LT8391AHUFD#TRPBF 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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