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LTC3882IUJ#PBF - Analog Devices

Description: PMBus/I2C Compliant Serial Interface n Monitor Voltage, Current, Temperature and Faults n Digitally Programmable Voltage, Current Limit, Soft-Start/Stop, Sequencing, Margining, AVP and UV/OV Thresholds n 3V ≤ VINSNS ≤ 38V, 0.5V ≤ VOUT ≤ 5.25V n ±0.5% Output Voltage Accuracy n Programmable PWM Frequency or External Clock Synchronization from 250kHz to 1.25MHz n Accurate PolyPhase® Current Sharing n Internal EEPROM with Fault Logging and ECC n IC Supply Range: 3V to 13.2V n Resistor or Inductor DC

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LTC3882IUJ#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3882IUJ#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UJ Package 40-Lead Plastic QFN (6mm × 6mm) (Reference LTC DWG # 05-08-1728 Rev Ø)
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3D Models
LTC3882IUJ#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UJ Package 40-Lead Plastic QFN (6mm × 6mm) (Reference LTC DWG # 05-08-1728 Rev Ø)
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LTC3882IUJ#PBF Details

  • Manufacturer Part Number:

    LTC3882IUJ#PBF

  • 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

  • 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

LTC3882IUJ#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the VIN pin is 28V, but it's recommended to keep it below 24V for optimal performance and reliability.
  • The compensation network can be optimized by following the guidelines in the datasheet and using the provided equations to calculate the values of the compensation components. Additionally, the LTC3882 demo board can be used as a reference design to help optimize the compensation network.
  • The TRACK/SS pin is used to track the output voltage during soft-start. It can be connected to an external voltage source to track the output voltage, or it can be connected to the output voltage through a resistor divider network to track a fraction of the output voltage.
  • Overcurrent protection can be implemented by connecting a sense resistor in series with the output inductor and monitoring the voltage across the sense resistor with the OCSET pin. The OCSET pin is connected to a resistor divider network that sets the overcurrent threshold.
  • The recommended layout and thermal design for the LTC3882 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. The thermal design should ensure good airflow and heat dissipation, and the IC should be mounted on a multi-layer PCB with a solid ground plane.

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LTC3882IUJ#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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