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LTC4267IDHC#PBF - Analog Devices

Description: Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator

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LTC4267IDHC#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4267IDHC#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DHC Package 16-Lead (5mm × 5mm) Plastic DFN
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3D Models
LTC4267IDHC#PBF - Analog Devices - 3D model - Small Outline No-lead - DHC Package 16-Lead (5mm × 5mm) Plastic DFN
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LTC4267IDHC#PBF Details

  • Manufacturer Part Number:

    LTC4267IDHC#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1706

  • 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

  • Qualification Status:

    Not Qualified

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

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

    30

LTC4267IDHC#PBF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the high-current paths.
  • Use a soft-start circuit to limit the inrush current during startup, and ensure the input voltage ramps up slowly. During shutdown, use a controlled shutdown sequence to prevent voltage spikes and ensure the IC remains within its SOA.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended. The capacitor should be placed close to the VIN pin and have a voltage rating of at least 2x the maximum input voltage.
  • Check the input voltage, output voltage, and current sense resistor values. Verify the feedback resistors are correctly connected and the compensation network is properly configured. Use an oscilloscope to check for oscillations or noise on the output voltage.
  • The LTC4267IDHC#PBF is rated for operation up to 125°C. However, the IC's performance and reliability may degrade at high temperatures. Ensure proper thermal design and heat sinking to keep the IC within its recommended operating temperature range.

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LTC4267IDHC#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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