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LTC4291IUF-1#PBF - Analog Devices

Description: Power Switch ICs - POE / LAN 4-Port PoE/PoE+ PSE Cntr

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LTC4291IUF-1#PBF - Analog Devices - PCB symbol
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LTC4291IUF-1#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - LTC4291IUF-1#PBF
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LTC4291IUF-1#PBF - Analog Devices - 3D model - Quad Flat No-Lead - LTC4291IUF-1#PBF
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LTC4291IUF-1#PBF Details

  • Manufacturer Part Number:

    LTC4291IUF-1#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    05-08-1697

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2018-10-08

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • JESD-30 Code:

    S-PQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max:

    57 V

  • Supply Voltage-Min:

    51 V

  • Supply Voltage-Nom:

    54 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

  • uPs/uCs/Peripheral ICs Type:

    PSE CONTROLLER

LTC4291IUF-1#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4291 involves keeping the analog and digital grounds separate, 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 ground plane is recommended.
  • The LTC4291 requires a single 3.3V or 5V power supply. Power sequencing is not critical, but it is recommended to power up the VCC pin before the VIO pin. The device can operate with a wide range of power supplies, but ensure that the voltage rails are stable and within the recommended operating range.
  • The LTC4291 can achieve a maximum data transfer rate of 100 Mbps in Fast Mode and 400 kbps in Low-Speed Mode. The actual data transfer rate may vary depending on the system design and the specific application.
  • The LTC4291 has built-in hot-swapping capability. To implement hot-swapping, connect the HS0 and HS1 pins to the corresponding pins on the USB connector. The device will automatically detect the insertion or removal of a USB device and adjust the bus state accordingly.
  • The LTC4291 has built-in ESD protection diodes on all pins, which can withstand up to ±8kV of ESD. Additionally, the device has latch-up prevention circuitry to prevent damage from overvoltage or overcurrent conditions.

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LTC4291IUF-1#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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