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LT8551EUKG#PBF - Analog Devices

Description: Switching Voltage Regulators Multiphase Boost Converter Expander with Internal Gate Drivers

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LT8551EUKG#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT8551EUKG#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 52-Lead Plastic QFN (7mm × 8mm)
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LT8551EUKG#PBF - Analog Devices - 3D model - Quad Flat No-Lead - 52-Lead Plastic QFN (7mm × 8mm)
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LT8551EUKG#PBF Details

  • Manufacturer Part Number:

    LT8551EUKG#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-52

  • Pin Count:

    52

  • Manufacturer Package Code:

    05-08-1729

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PHASE-SHIFT CONTROL

  • Input Voltage-Max:

    80 V

  • Input Voltage-Min:

    3.6 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N52

  • JESD-609 Code:

    e3

  • Length:

    8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    52

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    80 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC52,.27X.31,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

LT8551EUKG#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8551 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.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the input and output capacitors meet the recommended specifications, and that the feedback resistors are properly selected. Additionally, a minimum ESR of 0.1 ohms is recommended for the output capacitor.
  • The LT8551 can operate in ambient temperatures ranging from -40°C to 125°C. However, the junction temperature should not exceed 150°C.
  • Yes, the LT8551 is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard and is available in a variety of grades, including the 'MP' grade for automotive applications.
  • To troubleshoot issues with the LT8551, start by checking the input and output voltages, and ensuring that the feedback loop is properly connected. Also, check for any signs of overheating, and verify that the component values and PCB layout meet the recommended specifications. If the issue persists, consult the datasheet and application notes for further guidance.

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LT8551EUKG#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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