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LT8391AEFE#PBF - Analog Devices

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

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LT8391AEFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 28-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1663 Rev K) Exposed Pad Variatio
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LT8391AEFE#PBF - Analog Devices  - 3D model - Small Outline Packages - FE Package 28-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1663 Rev K) Exposed Pad Variatio
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LT8391AEFE#PBF Details

  • Manufacturer Part Number:

    LT8391AEFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1663 (EB)

  • Country Of Origin:

    Thailand

  • 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-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 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

  • Output Characteristics:

    OPEN-DRAIN

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 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) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

LT8391AEFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8391AEFE 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. The datasheet provides a recommended PCB layout, but it's also a good idea to consult with experienced engineers and use PCB layout simulation tools to optimize the design.
  • The selection of input and output capacitors for the LT8391AEFE 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 consult with capacitor manufacturers and consider factors such as cost, size, and reliability.
  • The maximum ambient temperature range for the LT8391AEFE is -40°C to 125°C. However, the device's performance and reliability may be affected at high temperatures, and it's recommended to derate the output current and voltage accordingly. It's also important to consider the thermal design of the system and ensure that the device is properly cooled.
  • Troubleshooting issues with the LT8391AEFE involves a systematic approach, starting with a review of the PCB layout, component selection, and soldering quality. It's also important to check the input and output voltage, current, and ripple, as well as the device's thermal performance. The datasheet provides troubleshooting guidelines, and it's also recommended to consult with experienced engineers and use simulation tools to identify and fix the issue.
  • The LT8391AEFE is a high-reliability device that meets the requirements of various safety standards, such as AEC-Q100 and IEC 61508. However, it's still important to perform thorough testing and validation to ensure that the device meets the specific requirements of the application. It's also recommended to consult with Analog Devices' application engineers and consider the use of redundant or fault-tolerant designs to ensure the highest level of reliability and safety.

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LT8391AEFE#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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