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LT8391AEUFD#PBF - Analog Devices

Description: LED Driver 2800uA Supply Current Automotive 28-Pin QFN EP Tube

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LT8391AEUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT8391AEUFD#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
LT8391AEUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm x 5mm)
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LT8391AEUFD#PBF Details

  • Manufacturer Part Number:

    LT8391AEUFD#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

LT8391AEUFD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8391AEUFD involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended. The datasheet provides a recommended PCB layout, but it's also a good idea to consult with experienced engineers or use PCB layout tools to ensure optimal performance.
  • The selection of input and output capacitors for the LT8391AEUFD depends on the specific application requirements, such as the input voltage, output voltage, and output current. In general, low-ESR capacitors with high ripple current ratings are recommended. The datasheet provides guidelines for capacitor selection, but it's also important to consider factors such as capacitor size, cost, and availability. It's a good idea to consult with experienced engineers or use online capacitor selection tools to ensure the right capacitors are chosen.
  • The maximum ambient temperature range for the LT8391AEUFD is -40°C to 125°C. However, the device's performance and reliability may be affected at high temperatures, so it's important to ensure that the device is operated within the recommended temperature range for the specific application.
  • Proper thermal management of the LT8391AEUFD involves ensuring that the device is operated within the recommended temperature range, using a heat sink or thermal pad if necessary, and providing adequate airflow around the device. The datasheet provides thermal resistance data and recommended thermal management guidelines, but it's also important to consider the specific application requirements and consult with experienced engineers or use thermal simulation tools to ensure proper thermal management.
  • The recommended input voltage range for the LT8391AEUFD is 2.9V to 15V. However, the device can operate with input voltages as low as 2.5V and as high as 18V, but with reduced performance and reliability. It's important to ensure that the input voltage is within the recommended range for the specific application to ensure optimal performance and reliability.

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LT8391AEUFD#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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