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LTC4267IDHC-3#TRPBF - Analog Devices

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

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

  • Manufacturer Part Number:

    LTC4267IDHC-3#TRPBF

  • 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

  • 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#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4267 involves keeping the high-current paths short and wide, using a solid ground plane, and placing the input capacitors close to the device. Additionally, it's recommended to use a separate power plane for the output voltage and to keep the output voltage traces away from the input voltage traces.
  • To ensure stability, make sure to follow the recommended component values and layout guidelines in the datasheet. Additionally, it's recommended to add a small capacitor (e.g. 10nF) between the VOUT and GND pins to improve stability. Also, ensure that the input voltage is well-regulated and that the output is properly decoupled.
  • The LTC4267 is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the device's power dissipation. It's recommended to consult the thermal management section in the datasheet and to perform thermal simulations to ensure the device operates within a safe temperature range.
  • Yes, the LTC4267 is available in a variety of grades, including the 'I' grade which is specified for operation from -40°C to 125°C and is suitable for high-reliability applications. Additionally, Analog Devices offers automotive-grade versions of the device, such as the LTC4267IDHC-3#TRPBF, which meets the requirements of the AEC-Q100 standard.
  • To protect the LTC4267 from input voltage transients and surges, it's recommended to add a TVS (transient voltage suppressor) diode or a voltage clamp circuit at the input. Additionally, using a input capacitor with a high voltage rating and a low ESR can help to filter out voltage transients.

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LTC4267IDHC-3#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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