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LT3795HFE#TRPBF - Analog Devices

Description: LED Lighting Drivers 110V LED Controller with Dual Current Sense

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LT3795HFE#TRPBF - Analog Devices - PCB symbol
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LT3795HFE#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LT3795HFE#TRPBF - Analog Devices - 3D model - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LT3795HFE#TRPBF Details

  • Manufacturer Part Number:

    LT3795HFE#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 (EA)

  • 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:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • 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:

    110 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    24 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

LT3795HFE#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3795HFE involves keeping the high-frequency switching nodes (e.g., SW and VIN) away from sensitive analog nodes, using a solid ground plane, and minimizing trace lengths and loop areas. A 4-layer board with a dedicated power plane and a dedicated ground plane is recommended.
  • When selecting an inductor for the LT3795HFE, consider the inductor's saturation current, DC resistance, and core material. A good starting point is to choose an inductor with a saturation current rating of at least 1.5 times the maximum output current, and a DC resistance of less than 100 mΩ. Ferrite or iron powder cores are suitable for most applications.
  • The maximum ambient temperature rating for the LT3795HFE is 125°C, but the device can operate up to 150°C with derating. It's essential to consider the thermal design and heat sinking to ensure reliable operation within the specified temperature range.
  • Yes, the LT3795HFE is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive grade and is suitable for use in harsh environments. However, it's essential to follow the recommended design and layout guidelines to ensure reliable operation.
  • To troubleshoot common issues with the LT3795HFE, start by checking the PCB layout and component selection. Ensure that the input and output capacitors are properly selected and placed, and that the inductor is suitable for the application. Use an oscilloscope to measure the switching waveforms and identify any signs of oscillation or instability. Consult the datasheet and application notes for guidance on troubleshooting and optimization.

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LT3795HFE#TRPBF 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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