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LTC3861IUHE#PBF - Analog Devices

Description: Buck Regulator Positive Output Step-Down - DC-DC Controller IC 36-QFN (5x6)

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LTC3861IUHE#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3861IUHE#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - LTC3861IUHE#PBF
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3D Models
LTC3861IUHE#PBF - Analog Devices - 3D model - Quad Flat No-Lead - LTC3861IUHE#PBF
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LTC3861IUHE#PBF Details

  • Manufacturer Part Number:

    LTC3861IUHE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 6 MM, LEAD FREE, PLASTIC, QFN-36

  • Pin Count:

    36

  • Manufacturer Package Code:

    05-08-1876

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 5V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PQCC-N36

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    36

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °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:

    PHASE-SHIFT

  • Switching Frequency-Max:

    3000 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

LTC3861IUHE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3861IUHE#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. The datasheet provides a recommended PCB layout, but it's also recommended to consult with experienced PCB designers and perform thermal and signal integrity simulations to ensure optimal performance.
  • The selection of input and output capacitors for the LTC3861IUHE#PBF depends on the specific application requirements, such as the input voltage, output voltage, and output current. In general, it's recommended to use low-ESR capacitors with a high ripple current rating. The datasheet provides guidelines for capacitor selection, but it's also recommended to consult with experienced designers and perform simulations to ensure that the capacitors can handle the expected ripple currents and voltage stresses.
  • The maximum ambient temperature that the LTC3861IUHE#PBF can operate at is 125°C, but this can be derated based on the specific application and the power dissipation of the IC. It's recommended to consult the datasheet and perform thermal simulations to ensure that the IC can operate within its specified temperature range.
  • Troubleshooting issues with the LTC3861IUHE#PBF involves identifying the root cause of the problem, which can be related to the PCB layout, component selection, or application-specific issues. It's recommended to consult the datasheet, application notes, and online resources, and to perform simulations and measurements to identify the root cause of the issue. Additionally, it's recommended to consult with experienced designers and to use debugging tools such as oscilloscopes and logic analyzers to troubleshoot the issue.
  • The LTC3861IUHE#PBF is a high-reliability device that is suitable for use in safety-critical applications, but it's recommended to consult the datasheet and to perform additional testing and validation to ensure that the device meets the specific requirements of the application. Additionally, it's recommended to consult with experienced designers and to follow industry standards and guidelines for safety-critical designs.

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LTC3861IUHE#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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