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LT8708HUHG-1#PBF - Analog Devices

Description: 80V Synchronous 4-Switch Buck-Boost DC/DC Slave Controller for LT8708 Multiphase System

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LT8708HUHG-1#PBF - Analog Devices PCB footprint - Other - Other - LT8708HUHG-1#PBF-2
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LT8708HUHG-1#PBF Details

  • Manufacturer Part Number:

    LT8708HUHG-1#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-40

  • Pin Count:

    40

  • Manufacturer Package Code:

    05-08-1528

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2018-06-13

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PHASE-SHIFT CONTROL

  • Input Voltage-Max:

    80 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N40

  • JESD-609 Code:

    e3

  • Length:

    8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.00012 A

  • Output Voltage-Max:

    80 V

  • Output Voltage-Min:

    1.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.2X.32,.2

  • 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:

    BUCK-BOOST

  • Switching Frequency-Max:

    400 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

LT8708HUHG-1#PBF Frequently Asked Questions (FAQs)

  • Analog Devices provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-frequency PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using shielded cables for sensitive signals.
  • The LT8708HUHG-1#PBF has a thermal pad that must be connected to a heat sink or a thermal plane on the PCB. Ensure good thermal conductivity by using thermal interface material and a heat sink with sufficient thermal capacity. Also, follow the recommended thermal design guidelines in the datasheet.
  • The datasheet does not specify a maximum allowed input voltage ripple, but it's recommended to keep the input voltage ripple below 1% of the nominal input voltage to ensure stable operation and minimize output voltage ripple.
  • The LT8708HUHG-1#PBF is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage according to the thermal derating curves provided in the datasheet. Additionally, ensure proper thermal management and consider using a heat sink or thermal interface material to maintain a safe junction temperature.
  • Start by checking the input voltage, output voltage, and output current to ensure they are within the recommended operating ranges. Verify that the PCB layout and thermal management are correct. Use an oscilloscope to check for voltage ripple, noise, or oscillations. Consult the datasheet and application notes for troubleshooting guidelines and consider contacting Analog Devices' technical support for further assistance.

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LT8708HUHG-1#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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