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LTC3784HUFD#PBF - Analog Devices

Description: 60V PolyPhase Synchronous Boost Controller with PassThru

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LTC3784HUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3784HUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD 28-Lead Plastic QFN (4mm × 5mm)
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LTC3784HUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD 28-Lead Plastic QFN (4mm × 5mm)
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LTC3784HUFD#PBF Details

  • Manufacturer Part Number:

    LTC3784HUFD#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:

    10

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    60 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    900 kHz

  • Technology:

    CMOS

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC3784HUFD#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LTC3784 is 36V, but it's recommended to keep it below 32V for reliable operation.
  • The inductor value depends on the input voltage, output voltage, and switching frequency. A good starting point is to use the inductor value calculation formula provided in the datasheet, and then adjust based on the specific application requirements.
  • The SYNC pin is used to synchronize the switching frequency of multiple LTC3784 devices. To use it, connect the SYNC pins of multiple devices together, and set the switching frequency of one device as the master. The other devices will then synchronize their switching frequency to the master device.
  • The LTC3784 has a built-in overcurrent protection feature. To enable it, connect a resistor between the ISET pin and the VIN pin. The value of the resistor determines the overcurrent threshold. Additionally, you can also use an external current sense resistor and a comparator to detect overcurrent conditions.
  • For optimal performance and thermal management, it's recommended to follow a 4-layer PCB layout with a solid ground plane, and to place the LTC3784 near the input capacitors. Use thermal vias to connect the exposed pad to the ground plane, and consider using a heat sink or thermal interface material to improve heat dissipation.

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LTC3784HUFD#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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