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LTC4281CUFD#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC4281CUFD#PBF - Hot Swap Controller, 2.9V to 33V supply, QFN-28

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LTC4281CUFD#PBF - Analog Devices - PCB symbol
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LTC4281CUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - LTC4281CUFD#PBF
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LTC4281CUFD#PBF Details

  • Manufacturer Part Number:

    LTC4281CUFD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1712

  • Country Of Origin:

    Malaysia

  • 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-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • 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 Voltage-Max (Vsup):

    33 V

  • Supply Voltage-Min (Vsup):

    2.9 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LTC4281CUFD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4281CUFD 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 small ceramic capacitor (e.g., 10nF) between the VCC and GND pins can help to filter out high-frequency noise and improve stability.
  • The maximum ambient temperature range for the LTC4281CUFD is -40°C to 125°C. However, the device's performance and reliability may degrade at extreme temperatures. It's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance.
  • Yes, the LTC4281CUFD is designed to operate in high-vibration environments. However, it's essential to ensure that the PCB is properly secured and the components are properly soldered to withstand the vibrations. Additionally, consider using a conformal coating to protect the PCB from moisture and contaminants.
  • To troubleshoot issues with the LTC4281CUFD, start by checking the input voltage, output voltage, and current. Verify that the input and output capacitors are properly connected and of the correct value. Use an oscilloscope to check for oscillations or noise on the output. If the issue persists, consult the datasheet and application notes for guidance.

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LTC4281CUFD#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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LTC4281CUFD#PBF Alternates

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Part Image LTC4281CUFD#PBF Linear Technology

HOT SWAP CONTROLLER, Adjustable, 1 Channel, CMOS, PQCC28