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LTC3870EUFD#PBF - Analog Devices

Description: PolyPhase Step-Down Slave Controller for Digital Power System Management

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LTC3870EUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3870EUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm)_2022
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LTC3870EUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm)_2022
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LTC3870EUFD#PBF Details

  • Manufacturer Part Number:

    LTC3870EUFD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4 X 5 MM, PLASTIC, LEAD FREE, MO-220, QFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1712

  • 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 0.5V TO 14V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.1 A

  • Output Voltage-Max:

    14 V

  • Output Voltage-Min:

    0.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC3870EUFD#PBF Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the LTC3870EUFD can be found in the application note AN136, which provides guidelines for layout, component placement, and thermal management to ensure optimal performance and reliability.
  • The selection of the inductor depends on the specific application requirements, such as output voltage, current, and switching frequency. Analog Devices provides an inductor selection guide in the datasheet, which can be used to determine the suitable inductor value and type.
  • The maximum ambient temperature rating for the LTC3870EUFD is 85°C, but it can be derated for higher temperatures. It's essential to consider the thermal management and heat sinking to ensure reliable operation within the specified temperature range.
  • Yes, the LTC3870EUFD is qualified for automotive and high-reliability applications. It meets the AEC-Q100 qualification standard and is suitable for use in harsh environments. However, it's essential to review the specific requirements and ensure that the device meets all the necessary qualifications and standards.
  • Analog Devices provides a troubleshooting guide in the datasheet, which covers common issues and their solutions. Additionally, the application note AN136 provides more detailed information on troubleshooting and debugging techniques for the LTC3870EUFD.

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LTC3870EUFD#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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