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LT8708ELWE#PBF - Analog Devices

Description: 80V Synchronous 4-Switch Buck-Boost DC/DC Controller with Bidirectional Capability

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LT8708ELWE#PBF - Analog Devices - PCB symbol
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LT8708ELWE#PBF - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - smd
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LT8708ELWE#PBF - Analog Devices - 3D model - Quad Flat Packages - smd
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LT8708ELWE#PBF Details

  • Manufacturer Part Number:

    LT8708ELWE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LQFP-64

  • Pin Count:

    64

  • Manufacturer Package Code:

    05-08-1982

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Input Voltage-Max:

    80 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQFP-G64

  • JESD-609 Code:

    e3

  • Length:

    10 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    64

  • Operating Temperature-Max:

    125 °C

  • Output Voltage-Max:

    80 V

  • Output Voltage-Min:

    1.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLFQFP

  • Package Equivalence Code:

    HQFP64,.47SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, HEAT SINK/SLUG, LOW PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.6 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    400 kHz

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    10 mm

LT8708ELWE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8708ELWE involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended. Additionally, it's essential to follow the layout guidelines provided in the datasheet and application notes.
  • The selection of input and output capacitors for the LT8708ELWE depends on the specific application requirements. In general, low-ESR capacitors with high ripple current ratings are recommended. The input capacitor should be able to handle the input voltage and current, while the output capacitor should be able to handle the output voltage and current. The datasheet provides guidelines for capacitor selection, and it's also recommended to consult with capacitor manufacturers for specific recommendations.
  • The maximum ambient temperature range for the LT8708ELWE is -40°C to 125°C. However, the device's performance and reliability may be affected at extreme temperatures. It's essential to ensure that the device is operated within the recommended temperature range to ensure optimal performance and reliability.
  • Troubleshooting issues with the LT8708ELWE involves identifying the root cause of the problem. Common issues include oscillations, instability, or failure to start. To troubleshoot, check the PCB layout, component selection, and soldering quality. Ensure that the input and output capacitors are properly selected and placed. Also, check the input voltage, output voltage, and current levels. Consult the datasheet, application notes, and Analog Devices' support resources for guidance on troubleshooting and debugging.
  • Yes, the LT8708ELWE is suitable for high-reliability and high-availability applications. The device is designed to meet the requirements of high-reliability applications, with features such as overvoltage protection, undervoltage lockout, and short-circuit protection. However, it's essential to follow proper design and manufacturing practices, including component selection, PCB layout, and testing, to ensure the reliability and availability of the system.

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LT8708ELWE#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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