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LT3571IUD#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT3571IUD#PBF - DC-DC Switching Boost Step Up Regulator, Adjustable, 2.7V-20V in, 75V/370mA out, 2.3MHz, QFN-16

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LT3571IUD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3571IUD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 16-Lead Plastic QFN (3mm × 3mm)
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3D Models
LT3571IUD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - 16-Lead Plastic QFN (3mm × 3mm)
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LT3571IUD#PBF Details

  • Manufacturer Part Number:

    LT3571IUD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1691

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    2.7 V

  • Input Voltage-Nom:

    3 V

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.57 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    2.2 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    2300 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

LT3571IUD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3571IUD#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and separating the analog and digital grounds. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure the LT3571IUD#PBF operates within its SOA, monitor the input voltage, output current, and junction temperature. Ensure the device is properly heatsinked, and the thermal resistance (θJA) is within the recommended range. Also, follow the recommended layout and thermal design guidelines.
  • When selecting input and output capacitors for the LT3571IUD#PBF, consider the capacitance value, equivalent series resistance (ESR), and voltage rating. Choose capacitors with low ESR and high ripple current ratings to minimize voltage ripple and ensure stable operation.
  • To troubleshoot issues with the LT3571IUD#PBF, use an oscilloscope to monitor the input and output voltages, and check for signs of oscillation or instability. Verify the PCB layout and component selection, and ensure the device is properly configured and biased. Consult the datasheet and application notes for guidance on troubleshooting and debugging.
  • Operating the LT3571IUD#PBF at high ambient temperatures can reduce its reliability and lifespan. To mitigate thermal issues, ensure proper heatsinking, use a thermally conductive interface material, and consider using a heat sink or fan to reduce the junction temperature.

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LT3571IUD#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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