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LTC3634MPUFD#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC3634MPUFD#PBF - DC-DC REGULATOR, BUCK, , QFN-28

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LTC3634MPUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3634MPUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD (28-Lead QFN)
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LTC3634MPUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD (28-Lead QFN)
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LTC3634MPUFD#PBF Details

  • Manufacturer Part Number:

    LTC3634MPUFD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 4 MM, LEAD FREE, PLASTIC, MO-220WXXX-X, 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:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 3V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Input Voltage-Max:

    15 V

  • Input Voltage-Min:

    1.4 V

  • Input Voltage-Nom:

    12 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 Current-Max:

    3 A

  • Output Voltage-Max:

    3 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    4000 kHz

  • Technology:

    CMOS

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC3634MPUFD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3634 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce EMI and noise. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • The input capacitor should have a low ESR and be rated for the input voltage. A 10uF to 22uF ceramic capacitor is a good starting point. The output capacitor should be selected based on the output voltage and current requirements. A 10uF to 47uF ceramic capacitor is a good starting point. Make sure to follow the capacitor selection guidelines in the datasheet.
  • The LTC3634 is rated for operation from -40°C to 125°C. However, the device's performance and reliability may be affected at extreme temperatures. It's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance.
  • Yes, the LTC3634 is designed to operate in high-vibration environments. However, it's recommended to follow proper PCB mounting and assembly techniques to ensure the device is securely attached to the PCB. Additionally, consider using a conformal coating to protect the device from moisture and vibration.
  • Start by checking the input voltage, output voltage, and current. Verify that the device is properly configured and that the input and output capacitors are properly selected. Check for any signs of overheating, such as excessive temperature or thermal shutdown. Use an oscilloscope to check for any unusual waveforms or noise on the input or output. Consult the datasheet and application notes for troubleshooting guidelines.

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LTC3634MPUFD#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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