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LT8391HFE#TRPBF - Analog Devices

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

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LT8391HFE#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LT8391HFE#TRPBF - Analog Devices - 3D model - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LT8391HFE#TRPBF Details

  • Manufacturer Part Number:

    LT8391HFE#TRPBF

  • 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:

    7

  • 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:

    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

LT8391HFE#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8391HFE 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 and digital ground plane to reduce noise coupling.
  • To ensure stability, it's essential to follow the recommended component values and layout guidelines in the datasheet. Additionally, make sure to decouple the input and output with suitable capacitors, and use a low-ESR output capacitor to minimize ringing. Also, avoid using long traces and vias near the IC to reduce parasitic inductance.
  • The LT8391HFE is rated for operation from -40°C to 125°C ambient temperature range. However, the junction temperature should not exceed 150°C to ensure reliable operation.
  • Yes, the LT8391HFE is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive grade and is also suitable for industrial and medical applications that require high reliability.
  • To troubleshoot issues with the LT8391HFE, start by checking the input and output voltages, and ensure that the input voltage is within the recommended range. Verify that the output capacitor is properly decoupled and that the layout follows the recommended guidelines. Use an oscilloscope to check for ringing or oscillations, and consult the datasheet and application notes for guidance on troubleshooting common issues.

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LT8391HFE#TRPBF Overview

Use the download button to access the LT8391HFE#TRPBF schematic symbol, PCB footprint, and 3D model.
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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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