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LTC4267IDHC-3#PBF - Analog Devices

Description: Power over Ethernet IEEE 802.3af PD Interface with Integrated 300kHz Switching Regulator

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

  • Manufacturer Part Number:

    LTC4267IDHC-3#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 3 MM, LEAD FREE, PLASTIC, MO-229WJED-1, DFN-16

  • 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

  • Control Mode:

    CURRENT-MODE

  • JESD-30 Code:

    R-PDSO-N16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    330 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LTC4267IDHC-3#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4267 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. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the input and output capacitors are of high quality and have low ESR. Additionally, a minimum of 10uF capacitance on the output is recommended to ensure stability.
  • The maximum input voltage that the LTC4267 can handle is 28V. Exceeding this voltage can cause damage to the IC. It's recommended to add input voltage protection, such as a voltage regulator or a TVS diode, to prevent damage from voltage spikes or surges.
  • The LTC4267 is rated for operation up to 125°C. However, the IC's performance and reliability may degrade at high temperatures. It's recommended to derate the IC's performance and ensure proper thermal management, such as using a heat sink, to ensure reliable operation in high-temperature environments.
  • To troubleshoot issues with the LTC4267, start by checking the input voltage, output voltage, and current. Use an oscilloscope to check for oscillations or noise on the output. Also, check the PCB layout and component values to ensure they match the recommended values. If the issue persists, consult the datasheet and application notes for further guidance.

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LTC4267IDHC-3#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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