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LTC3868EUH#TRPBF - Analog Devices

Description: Low IQ, Dual 2-Phase Synchronous Step-Down Controller

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LTC3868EUH#TRPBF - Analog Devices - PCB symbol
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LTC3868EUH#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UH (32-Lead QFN)
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LTC3868EUH#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UH (32-Lead QFN)
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LTC3868EUH#TRPBF Details

  • Manufacturer Part Number:

    LTC3868EUH#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    05-08-1693

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 14V

  • 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 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Output Voltage-Max:

    14 V

  • Output Voltage-Min:

    0.8 V

  • Output Voltage-Nom:

    5.1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • 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:

    PHASE-SHIFT

  • Switching Frequency-Max:

    900 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    5 mm

LTC3868EUH#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3868EUH 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. A 4-layer board with a dedicated power plane is recommended. Refer to the Analog Devices application note AN136 for more details.
  • The inductor selection depends on the output voltage, output current, and switching frequency. A good starting point is to use the inductor selection guide in the datasheet or the Analog Devices online inductor selection tool. The inductor should have a low DCR, high saturation current, and be able to handle the peak current.
  • The maximum junction temperature of the LTC3868EUH is 150°C. However, it's recommended to keep the junction temperature below 125°C for reliable operation and to ensure the device meets its specifications.
  • Yes, the LTC3868EUH can operate in high-temperature environments, but the device's performance and reliability may be affected. The device is rated for operation up to 125°C, but the maximum junction temperature should not be exceeded. Thermal derating may be necessary for high-temperature applications.
  • To troubleshoot the LTC3868EUH, start by checking the input voltage, output voltage, and current. Verify that the input and output capacitors are properly connected and meet the recommended specifications. Check for any signs of overheating, and ensure that the device is properly soldered and mounted. Refer to the datasheet and application notes for more troubleshooting tips.

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LTC3868EUH#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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