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LTC4284HUHG#PBF - Analog Devices

Description: -40°C ~ 125°C Hot Swap Controller, Monitor 1 Channel Telecom 44-QFN (5x8) Package

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LTC4284HUHG#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4284HUHG#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UHG Package 44-Lead Plastic QFN (5mm × 8mm)
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3D Models
LTC4284HUHG#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UHG Package 44-Lead Plastic QFN (5mm × 8mm)
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LTC4284HUHG#PBF Details

  • Manufacturer Part Number:

    LTC4284HUHG#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-44

  • Pin Count:

    44

  • Manufacturer Package Code:

    05-08-1581

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    HOT SWAP CONTROLLER

  • JESD-30 Code:

    R-PQCC-N44

  • JESD-609 Code:

    e3

  • Length:

    8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    9

  • Number of Functions:

    1

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC44,.2X.32,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    4 mA

  • Supply Voltage-Max (Vsup):

    12 V

  • Supply Voltage-Min (Vsup):

    10.8 V

  • Supply Voltage-Nom (Vsup):

    11.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

LTC4284HUHG#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4284HUHG involves keeping the high-frequency switching nodes (e.g., SW and VIN) away from sensitive analog nodes, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance. A 4-layer board with a dedicated power plane and a solid ground plane is recommended.
  • When selecting an inductor for the LTC4284HUHG, consider the inductor's saturation current, DC resistance, and self-resonant frequency. A good starting point is to choose an inductor with a saturation current rating above the peak current of the converter, a DC resistance below 100mΩ, and a self-resonant frequency above 10MHz. Additionally, consider the inductor's physical size, cost, and temperature rating.
  • The maximum ambient temperature for the LTC4284HUHG is 105°C. However, the device's junction temperature (TJ) should not exceed 125°C. To ensure reliable operation, it's essential to consider the device's power dissipation, thermal resistance, and the ambient temperature when designing the system.
  • Yes, the LTC4284HUHG is suitable for high-reliability and automotive applications. It's manufactured using a high-reliability process, and it's qualified to the AEC-Q100 standard for automotive applications. However, it's essential to follow proper design and qualification procedures to ensure the device meets the specific requirements of the application.
  • To troubleshoot issues with the LTC4284HUHG, start by verifying the PCB layout, component selection, and soldering quality. Check for signs of overheating, and ensure that the input voltage and current are within the recommended specifications. Use an oscilloscope to monitor the device's switching waveforms and output voltage. Consult the datasheet and application notes for guidance on troubleshooting specific issues.

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LTC4284HUHG#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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