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LT3478IFE-1#PBF - Analog Devices

Description: LED Lighting Drivers 4.5A 42V, 2.25MHz Boost LED Driver w/ True Color PWM Dimming

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LT3478IFE-1#PBF Details

  • Manufacturer Part Number:

    LT3478IFE-1#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1663 (BC)

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    6

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

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

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Max:

    36 V

  • Supply Voltage-Min:

    2.8 V

  • Supply Voltage-Nom:

    2.7 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LT3478IFE-1#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the device on a solid copper plane, using thermal vias to connect the plane to the device's thermal pad, and keeping the plane as close to the device as possible. Additionally, using a 4-layer board with a dedicated thermal layer can help to dissipate heat more efficiently.
  • To ensure reliable startup and shutdown, it's essential to follow the recommended power sequencing and timing guidelines in the datasheet. This includes ensuring that the input voltage rises monotonically and that the enable pin is properly biased during startup and shutdown.
  • Operating the device beyond the recommended operating conditions can lead to reduced reliability, decreased performance, and potentially even damage to the device. It's essential to ensure that the device operates within the specified temperature range, input voltage range, and output current range to guarantee reliable operation.
  • To troubleshoot issues with the device's output voltage regulation, start by verifying that the input voltage is within the recommended range and that the output voltage is properly set using the feedback resistors. Check for any signs of oscillation or instability, and ensure that the device is properly decoupled using capacitors. If the issue persists, consult the datasheet and application notes for further guidance.
  • To minimize EMI and EMC issues, it's essential to follow good PCB layout practices, such as keeping the device's switching nodes away from sensitive analog circuits and using shielding and filtering techniques to reduce radiated emissions. Additionally, ensure that the device is properly decoupled and that the input and output capacitors are selected to minimize EMI.

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LT3478IFE-1#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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