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LTC3890IUH-2#PBF - Analog Devices

Description: 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

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LTC3890IUH-2#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3890IUH-2#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UH (32-Lead QFN)
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3D Models
LTC3890IUH-2#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UH (32-Lead QFN)
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LTC3890IUH-2#PBF Details

  • Manufacturer Part Number:

    LTC3890IUH-2#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    05-08-1693

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    SEATED HT-CALCULATED

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    24 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • 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

  • Switching Frequency-Max:

    585 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

LTC3890IUH-2#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3890IUH-2#PBF involves keeping the high-current paths short and wide, using a solid ground plane, and placing the input and output capacitors close to the IC. Additionally, it's recommended to use a 4-layer board with a dedicated power plane and a dedicated ground plane to reduce noise and EMI.
  • The selection of external components for the LTC3890IUH-2#PBF depends on the specific application requirements, such as the input voltage, output voltage, and output current. A good starting point is to use the component values recommended in the datasheet, and then adjust them based on the specific application requirements. It's also recommended to use components with low ESR and high ripple current ratings to ensure reliable operation.
  • The maximum ambient temperature that the LTC3890IUH-2#PBF can operate at is 125°C, but this can be derated based on the specific application requirements and the thermal design of the system. It's recommended to use a thermal design that ensures the junction temperature of the IC remains below 150°C to ensure reliable operation.
  • To troubleshoot issues with the LTC3890IUH-2#PBF, start by checking the input voltage, output voltage, and output current to ensure they are within the specified ranges. Check the PCB layout and component values to ensure they are correct. Use an oscilloscope to check for noise and ripple on the output voltage, and use a thermal camera to check for hotspots on the IC. Consult the datasheet and application notes for troubleshooting guides and FAQs.
  • Yes, the LTC3890IUH-2#PBF is suitable for use in high-reliability or safety-critical applications, such as automotive, industrial, or medical devices. However, it's recommended to follow the guidelines and recommendations in the datasheet and application notes, and to perform thorough testing and validation to ensure the IC meets the specific application requirements.

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LTC3890IUH-2#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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