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LTC4284IUHG#TRPBF - Analog Devices

Description: High Power Negative Voltage Hot Swap Controller with Energy Monitor

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LTC4284IUHG#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4284IUHG#TRPBF - 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
LTC4284IUHG#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UHG Package 44-Lead Plastic QFN (5mm × 8mm)
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LTC4284IUHG#TRPBF Details

  • Manufacturer Part Number:

    LTC4284IUHG#TRPBF

  • 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

  • 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 Functions:

    1

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    85 °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

  • Packing Method:

    TR

  • 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:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

LTC4284IUHG#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4284IUHG involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a separate power plane for the input and output voltages to reduce noise and improve performance.
  • To ensure the LTC4284IUHG is operating within its safe operating area (SOA), you should monitor the device's junction temperature, input voltage, output current, and power dissipation. Make sure these parameters are within the recommended limits specified in the datasheet. You can use thermal modeling and simulation tools to estimate the junction temperature and ensure the device is operating within its SOA.
  • The recommended input capacitor type for the LTC4284IUHG is a low-ESR ceramic capacitor with a value of 10uF to 22uF. The capacitor should be placed as close as possible to the VIN pin of the device to minimize the effects of input voltage ripple and noise.
  • To troubleshoot issues with the LTC4284IUHG, start by checking the input voltage, output voltage, and output current to ensure they are within the recommended specifications. Verify that the device is properly soldered and that there are no signs of physical damage. Use an oscilloscope to check for output voltage ripple and noise, and ensure that the input and output capacitors are properly sized and placed. If the issue persists, consult the datasheet and application notes for troubleshooting guidelines or contact Analog Devices' technical support.
  • The LTC4284IUHG is rated for operation up to 125°C, but its performance and reliability may be affected at high temperatures. To ensure reliable operation, it's recommended to derate the device's output current and power dissipation at high temperatures. Consult the datasheet and application notes for more information on high-temperature operation and derating guidelines.

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LTC4284IUHG#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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