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LTC3880IUJ-1#TRPBF - Analog Devices

Description: Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management

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LTC3880IUJ-1#TRPBF - Analog Devices - PCB symbol
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LTC3880IUJ-1#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - LFCSP:LEADFRM CHIP SCALE_2023-8
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LTC3880IUJ-1#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - LFCSP:LEADFRM CHIP SCALE_2023-8
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LTC3880IUJ-1#TRPBF Details

  • Manufacturer Part Number:

    LTC3880IUJ-1#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-40

  • Pin Count:

    40

  • Manufacturer Package Code:

    05-08-1728

  • 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:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    24 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    5.4 V

  • Output Voltage-Min:

    0.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • 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

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    6 mm

LTC3880IUJ-1#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LTC3880IUJ-1#TRPBF near a thermal pad or a heat sink, and ensuring that there are no thermal barriers between the device and the heat sink. Additionally, using a 2-ounce copper layer and a thermal relief pattern can help to dissipate heat efficiently.
  • To select the right inductor for your design, consider the inductor's saturation current, DC resistance, and core material. The inductor should be able to handle the peak current of the converter, and its DC resistance should be low to minimize power loss. The core material should be chosen based on the operating frequency and the desired level of magnetic field radiation.
  • The recommended input capacitor type for the LTC3880IUJ-1#TRPBF is a low-ESR ceramic capacitor, such as an X5R or X7R dielectric capacitor. The value of the capacitor should be chosen based on the input voltage ripple and the desired level of noise filtering. A typical value is 10uF to 22uF.
  • The output voltage of the LTC3880IUJ-1#TRPBF can be configured by connecting a resistive divider network between the output voltage and the FB pin. The resistors should be chosen such that the voltage at the FB pin is equal to the desired output voltage divided by the feedback voltage (typically 0.8V).
  • The maximum ambient temperature for the LTC3880IUJ-1#TRPBF is 85°C. However, the device can operate at higher temperatures with derating. It's recommended to consult the datasheet for the thermal derating curve to determine the maximum power dissipation at a given ambient temperature.

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LTC3880IUJ-1#TRPBF 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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