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LT8711EUDC#TRPBF - Analog Devices

Description: Easily Configurable as a Synchronous Buck, Boost, SEPIC, ZETA or Nonsynchronous Buck-Boost Converter n Wide Input Range: 4.5V to 42V (VIN Can Operate to 0V, when EXTVCC > 4.5V) n Automatic Low Noise Burst Mode® Operation n Low IQ in Burst Mode Operation (15μA Operating)

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LT8711EUDC#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT8711EUDC#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 20-Lead (3mm × 4mm) Plastic QFN
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LT8711EUDC#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - 20-Lead (3mm × 4mm) Plastic QFN
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LT8711EUDC#TRPBF Details

  • Manufacturer Part Number:

    LT8711EUDC#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1742

  • Country Of Origin:

    Thailand

  • 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

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    42 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • 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:

    825 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    3 mm

LT8711EUDC#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8711EUDC involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a separate analog ground plane and to keep the digital and analog signals separate to minimize noise and interference.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, the output capacitor should be chosen to ensure that the device operates within its stable region. The datasheet provides a stability analysis tool to help with this. It's also recommended to add a small resistor (e.g., 1Ω) in series with the output capacitor to dampen any oscillations.
  • The LT8711EUDC is rated for operation from -40°C to 125°C. However, the device's performance may degrade at higher temperatures, and the output voltage may droop. It's essential to ensure that the device is operated within its recommended temperature range to maintain its performance and reliability.
  • Yes, the LT8711EUDC is suitable for high-reliability and automotive applications. It's built with high-reliability materials and manufacturing processes, and it's qualified to the AEC-Q100 standard for automotive applications. However, it's essential to follow the recommended design and layout guidelines to ensure the device's performance and reliability in these applications.
  • To troubleshoot issues with the LT8711EUDC, start by verifying that the input voltage and output voltage are within the recommended ranges. Check the output voltage ripple and noise to ensure that they are within the specified limits. Use an oscilloscope to check for any oscillations or instability. If the issue persists, consult the datasheet and application notes for guidance, or contact Analog Devices' technical support for assistance.

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LT8711EUDC#TRPBF 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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