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LTC3784MPUFD#PBF - Analog Devices

Description: 60V PolyPhase Synchronous Boost Controller with PassThru

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LTC3784MPUFD#PBF - Analog Devices - PCB symbol
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LTC3784MPUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD 28-Lead Plastic QFN (4mm × 5mm)
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LTC3784MPUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD 28-Lead Plastic QFN (4mm × 5mm)
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LTC3784MPUFD#PBF Details

  • Manufacturer Part Number:

    LTC3784MPUFD#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:

    -55 °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

  • 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

LTC3784MPUFD#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 30V for reliable operation.
  • The inductor selection depends on the output current, switching frequency, and output voltage. A good starting point is to use an inductor with a value between 1.5uH to 3.3uH, and a saturation current rating above the maximum output current.
  • The SYNC pin allows the user to synchronize the switching frequency of the LTC3784 with an external clock signal, which can be useful in noise-sensitive applications or when multiple converters need to be synchronized.
  • The output voltage of the LTC3784 can be set using the FB pin and a resistive divider network. The resistors should be chosen such that the voltage at the FB pin is equal to the desired output voltage divided by the feedback factor (typically 0.8V).
  • The maximum output current of the LTC3784 depends on the input voltage, output voltage, and inductor selection. Typically, it can deliver up to 2A of output current, but this can be limited by the thermal performance of the device and the PCB design.

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LTC3784MPUFD#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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