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LT8708IUHG-1#PBF - Analog Devices

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

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LT8708IUHG-1#PBF - Analog Devices PCB footprint - Other - Other - LT8708IUHG-1#PBF-3
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LT8708IUHG-1#PBF Details

  • Manufacturer Part Number:

    LT8708IUHG-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

  • Packing Method:

    TUBE

  • 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

LT8708IUHG-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.
  • Monitor the junction temperature (TJ) of the device, which can be calculated using the thermal resistance (θJA) and power dissipation (PD) values provided in the datasheet. Ensure good thermal conduction by using a heat sink or thermal pad, and avoid operating the device in high-temperature environments.
  • Operating the device at a lower input voltage than the recommended minimum may result in reduced performance, such as lower output voltage accuracy, increased output voltage ripple, and decreased efficiency. It may also affect the device's reliability and lifespan.
  • Use a systematic approach to troubleshoot, starting with checking the input voltage, output voltage, and current. Verify that the device is properly configured and that the layout meets the recommended guidelines. Use oscilloscopes and other diagnostic tools to identify the root cause of the issue.
  • The LT8708IUHG-1#PBF is a high-reliability device, but it's essential to follow Analog Devices' guidelines for using the device in safety-critical applications. Ensure that the device is properly derated, and that the system design meets the required safety standards and regulations.

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LT8708IUHG-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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