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LTC4283HUHF#PBF - Analog Devices

Description: Negative Voltage Hot Swap Controller with Energy Monitor

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LTC4283HUHF#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4283HUHF#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 38-Lead Plastic QFN (5mm × 7mm)*
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3D Models
LTC4283HUHF#PBF - Analog Devices - 3D model - Quad Flat No-Lead - 38-Lead Plastic QFN (5mm × 7mm)*
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LTC4283HUHF#PBF Details

  • Manufacturer Part Number:

    LTC4283HUHF#PBF

  • 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 Channels:

    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

  • 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#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4283HUHF involves keeping the input and output traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a separate power plane for the VCC and GND pins to minimize noise coupling.
  • To ensure proper power-up and power-down of the LTC4283HUHF, it's recommended to follow a controlled power-up sequence, where the input voltage is applied before the enable pin is asserted. During power-down, the enable pin should be de-asserted before the input voltage is removed. This helps prevent unwanted current surges and ensures reliable operation.
  • The maximum allowed voltage on the EN pin of the LTC4283HUHF is 5.5V. Exceeding this voltage can cause damage to the device. It's recommended to use a voltage limiter or a voltage divider to ensure the EN pin voltage remains within the specified range.
  • Yes, the LTC4283HUHF is suitable for hot-swap applications. It has built-in overcurrent protection and undervoltage lockout, which helps prevent damage during hot-swap events. However, it's essential to follow proper design guidelines and ensure the device is properly bypassed and filtered to prevent voltage transients during hot-swap.
  • The output voltage of the LTC4283HUHF can be calculated using the formula: VOUT = (VIN x R1) / (R1 + R2), where R1 and R2 are the resistors connected to the FB pin. The output voltage can be adjusted by changing the values of R1 and R2.

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LTC4283HUHF#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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