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LTC4290BIUJ#TRPBF - Analog Devices

Description: 8-Port PoE/PoE+/LTPoE++ PSE Analog Controller Eliminates Isolated 3.3V Power Supply 0.25Ω Sense Resistance Per Channel

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LTC4290BIUJ#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4290BIUJ#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 40-Lead Plastic QFN (6mm × 6mm)
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3D Models
LTC4290BIUJ#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - 40-Lead Plastic QFN (6mm × 6mm)
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LTC4290BIUJ#TRPBF Details

  • Manufacturer Part Number:

    LTC4290BIUJ#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    40

  • Manufacturer Package Code:

    05-08-1728

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    PoE POWERED DEVICE CONTROLLER

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    1

  • Peak Reflow Temperature (Cel):

    260

  • Terminal Finish:

    Matte Tin (Sn)

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

    30

LTC4290BIUJ#TRPBF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use short, wide traces for power and ground connections.
  • Use a low-impedance current sense resistor (e.g., 1mΩ) and place it close to the IC. Ensure the sense resistor is in the same thermal zone as the IC. Use a Kelvin connection to the sense resistor to minimize errors.
  • The maximum allowed voltage on the VCC pin is 3.6V. Exceeding this voltage may damage the device.
  • Use the VREF pin to set the bus voltage. Connect a resistive divider from VCC to VREF to set the desired bus voltage. The VREF pin voltage should be between 0.5V and 2.5V.
  • The FAULT pin is an open-drain output that indicates an overcurrent or overvoltage fault. Connect a pull-up resistor to a voltage rail (e.g., VCC) and monitor the pin for faults. The FAULT pin is active-low.

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LTC4290BIUJ#TRPBF Overview

Use the download button to access the LTC4290BIUJ#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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