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LTC3766MPUFD#PBF - Analog Devices

Description: Switching Controllers Hi Eff, Secondary-Side Sync For Cntr

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LTC3766MPUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3766MPUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD 28-Lead Plastic QFN (4mm × 5mm)
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3D Models
LTC3766MPUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD 28-Lead Plastic QFN (4mm × 5mm)
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LTC3766MPUFD#PBF Details

  • Manufacturer Part Number:

    LTC3766MPUFD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4 X 5 MM, LEAD FREE, PLASTIC, 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:

    8.5V OUTPUT VOLTAGE AVAILABLE, ALSO HAS CONTROL MODE OF IPK

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    32 V

  • Input Voltage-Min:

    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:

    150 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Voltage-Nom:

    7 V

  • 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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    1.2 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    316 kHz

  • Technology:

    CMOS

  • 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:

    4 mm

LTC3766MPUFD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3766 involves keeping the high-frequency switching nodes (e.g., SW, VIN, and VOUT) away from sensitive analog nodes, using a solid ground plane, and minimizing trace lengths and loop areas. A 4-layer board with a dedicated power plane and a separate ground plane is recommended. Additionally, it's essential to follow the layout guidelines provided in the datasheet and application notes.
  • When selecting an inductor for the LTC3766, consider the following factors: inductance value, DC resistance, saturation current, and core material. A good starting point is to choose an inductor with an inductance value between 1µH and 10µH, a DC resistance less than 100mΩ, and a saturation current greater than the peak current of the converter. The core material should be suitable for high-frequency operation, such as ferrite or powdered iron.
  • The maximum ambient temperature for the LTC3766 is 85°C, but it can be derated for higher temperatures. The device can operate up to 125°C junction temperature, but the ambient temperature should be derated according to the thermal resistance of the package and the PCB.
  • Yes, the LTC3766 is suitable for high-reliability and automotive applications. It is AEC-Q100 qualified, which means it meets the Automotive Electronics Council's standards for reliability and performance. Additionally, it has a wide operating temperature range and is designed to withstand high temperatures and voltage transients.
  • To troubleshoot issues with the LTC3766, start by checking the PCB layout and ensuring that it follows the recommended guidelines. Verify that the input and output capacitors are properly selected and placed. Use an oscilloscope to measure the voltage and current waveforms at the input, output, and switching nodes. Check for signs of oscillation, such as ringing or high-frequency noise. Consult the datasheet and application notes for troubleshooting guides and tips.

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LTC3766MPUFD#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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