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LTC3882EUJ#TRPBF - Analog Devices

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

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LTC3882EUJ#TRPBF - Analog Devices - PCB symbol
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LTC3882EUJ#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UJ Package 40-Lead Plastic QFN (6mm × 6mm)
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LTC3882EUJ#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UJ Package 40-Lead Plastic QFN (6mm × 6mm)
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LTC3882EUJ#TRPBF Details

  • Manufacturer Part Number:

    LTC3882EUJ#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

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    3 V

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    5.25 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

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    13.8 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1250 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    6 mm

LTC3882EUJ#TRPBF Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the LTC3882EUJ is -40°C to 125°C, but it can be extended to -55°C to 150°C with some limitations. It's essential to consult the datasheet and application notes for specific temperature-related considerations.
  • To optimize the layout, follow the recommended layout guidelines in the datasheet and application notes. Keep the power planes and signal lines separate, use a solid ground plane, and minimize the loop area of the current sense lines. Additionally, use shielding and filtering components as needed to reduce EMI.
  • The recommended input capacitor value is 10uF to 22uF, and the type should be a low-ESR ceramic capacitor, such as X5R or X7R. The capacitor should be placed close to the VIN pin and have a low inductance path to the power source.
  • Configure the output voltage by selecting the appropriate resistors for the feedback network (RFBT and RFBG). For current limiting, set the current sense resistor (RSENSE) and the overcurrent threshold (VOCSET) according to the desired current limit. Consult the datasheet and application notes for detailed calculations and examples.
  • The TRACK/SS pin is used for output voltage tracking and soft-start. It allows the output voltage to track an external voltage source during startup or shutdown, reducing inrush currents and output voltage overshoot. Connect the TRACK/SS pin to the desired tracking voltage source, and adjust the soft-start timing using an external capacitor and resistor.

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LTC3882EUJ#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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