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LTC4283HUHF#TRPBF - Analog Devices

Description: n Allows Safe Insertion into Live –48V Backplanes n Protects MOSFET with SOA Timer n Programmable 15mV to 30mV Current Limit Sense Voltage with <3.3% Accuracy and Adjustable Foldback n 8-Bit to 16-Bit Gear-Shift ADC with 0.7% Accuracy n Monitors Voltages, Currents, Power and Energy n Nonvolatile Configuration and Fault Recording n Floating Topology for Rugged High Voltage Operation n Selectable Inrush Control: dV/dt or Current Limit n I 2C/SMBus or Single-Wire Broadcast Interfaces n Min/Max ADC M

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LTC4283HUHF#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4283HUHF#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UHF Package 38-Lead Plastic QFN (5mm × 7mm) (Reference LTC DWG # 05-08-1701 Rev C)
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3D Models
LTC4283HUHF#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UHF Package 38-Lead Plastic QFN (5mm × 7mm) (Reference LTC DWG # 05-08-1701 Rev C)
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LTC4283HUHF#TRPBF Details

  • Manufacturer Part Number:

    LTC4283HUHF#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1701

  • 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-N38

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC38,.2X.28,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR

  • Seated Height-Max:

    0.75 mm

  • Supply Voltage-Max (Vsup):

    5.35 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5.05 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

LTC4283HUHF#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4283 involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure the LTC4283 operates within its SOA, monitor the input voltage, output current, and junction temperature. Make sure the input voltage does not exceed the maximum rating, the output current does not exceed the maximum rating, and the junction temperature does not exceed 125°C. Use thermal management techniques such as heat sinks or thermal interfaces to keep the junction temperature within the specified range.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor. The capacitor should be rated for the maximum input voltage and have a low equivalent series resistance (ESR) to minimize voltage ripple and ensure stable operation.
  • To troubleshoot issues with the LTC4283, start by checking the input voltage and output current to ensure they are within the specified ranges. Verify that the input and output capacitors are properly connected and meet the recommended specifications. Check for any signs of overheating, such as excessive temperature rise or thermal shutdown. Use an oscilloscope to monitor the output voltage and current waveforms to identify any anomalies. Consult the datasheet and application notes for troubleshooting guidelines and common pitfalls to avoid.
  • The LTC4283 is rated for operation up to 125°C junction temperature. However, the device may not operate within its specified parameters at high temperatures. Consult the datasheet and application notes for guidance on operating the LTC4283 in high-temperature environments. Consider using thermal management techniques such as heat sinks or thermal interfaces to keep the junction temperature within the specified range.

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LTC4283HUHF#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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