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LT8391AIFE#PBF - Analog Devices

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

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LT8391AIFE#PBF - Analog Devices - PCB symbol
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LT8391AIFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LT8391AIFE#PBF - Analog Devices - 3D model - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LT8391AIFE#PBF Details

  • Manufacturer Part Number:

    LT8391AIFE#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

  • Operating Temperature-Min:

    -40 °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

LT8391AIFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8391AIFE 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. Additionally, it's recommended to use a separate analog ground plane and to keep the digital and analog signals separate to minimize noise and interference.
  • The selection of input and output capacitors for the LT8391AIFE depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating 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. A good starting point is to use capacitors with a capacitance value of 10uF to 22uF and a voltage rating of 1.5 to 2 times the input voltage.
  • The LT8391AIFE can operate in an ambient temperature range of -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 device's performance accordingly.
  • Yes, the LT8391AIFE is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard for automotive applications and is suitable for use in harsh environments. However, it's recommended to consult with Analog Devices Inc for specific requirements and qualifications.
  • Troubleshooting issues with the LT8391AIFE involves identifying the root cause of the problem. Common issues include incorrect PCB layout, inadequate input and output capacitors, and incorrect component values. It's recommended to consult the datasheet and application notes, and to use simulation tools and oscilloscopes to debug the issue.

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LT8391AIFE#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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