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LT3481EDD#PBF - Analog Devices

Description: Linear Technology LT3481EDD#PBF, Step Down DC-DC Converter, 2A, Adjustable, 1.265 → 20 V, 10-Pin DFN

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LT3481EDD#PBF - Analog Devices - PCB symbol
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LT3481EDD#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - 10-Lead (3mm × 3mm) Plastic DFN
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LT3481EDD#PBF - Analog Devices - 3D model - Small Outline No-lead - 10-Lead (3mm × 3mm) Plastic DFN
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LT3481EDD#PBF Details

  • Manufacturer Part Number:

    LT3481EDD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, MO-229WEED-2, DFN-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1699

  • 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 1.265 V TO 20 V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    34 V

  • Input Voltage-Min:

    3.6 V

  • Input Voltage-Nom:

    10 V

  • JESD-30 Code:

    S-PDSO-N10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    85 °C

  • Output Current-Max:

    4.4 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, 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:

    BUCK

  • Switching Frequency-Max:

    3100 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LT3481EDD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3481EDD#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and separating the analog and digital grounds. Additionally, it's recommended to use a star-ground configuration and to keep the feedback resistors close to the IC.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, check that the output capacitor is sufficient to filter out high-frequency noise, and that the feedback resistors are properly selected to ensure a stable gain margin.
  • The maximum input voltage that the LT3481EDD#PBF can handle is 15V. Exceeding this voltage may damage the IC.
  • The LT3481EDD#PBF is rated for operation up to 125°C. However, it's recommended to derate the IC's performance at high temperatures to ensure reliability and prevent thermal shutdown.
  • To troubleshoot issues with the LT3481EDD#PBF, start by checking the PCB layout and component values against the recommended values in the datasheet. Then, use an oscilloscope to measure the output voltage and current, and check for signs of oscillation or instability. Finally, verify that the input voltage and current are within the recommended specifications.

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LT3481EDD#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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