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LT3481IDD#PBF - Analog Devices

Description: Linear Technology, LT3481IDD#PBF Switching Regulator 2A Adjustable, 1.265 → 20 V, 10-Pin DFN

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LT3481IDD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3481IDD#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD 10-Lead Plastic DFN (3mm × 3mm)
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LT3481IDD#PBF - Analog Devices - 3D model - Small Outline No-lead - DD 10-Lead Plastic DFN (3mm × 3mm)
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LT3481IDD#PBF Details

  • Manufacturer Part Number:

    LT3481IDD#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:

    125 °C

  • Operating Temperature-Min:

    -40 °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:

    AUTOMOTIVE

  • 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

LT3481IDD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3481IDD#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a separate analog ground plane and to keep the power traces away from the analog signals.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the output capacitor is properly sized and that the input voltage is within the recommended range. If oscillations occur, try adding a small capacitor (e.g., 10nF) between the output and ground.
  • The maximum input voltage for the LT3481IDD#PBF is 15V. Exceeding this voltage can damage the IC. It's recommended to use a voltage regulator or a voltage limiter to ensure the input voltage remains within the recommended range.
  • The LT3481IDD#PBF is rated for operation up to 125°C. However, it's recommended to derate the output current and voltage as the temperature increases to ensure reliable operation. Consult the datasheet for specific derating guidelines.
  • To troubleshoot issues with the LT3481IDD#PBF, start by checking the input voltage, output voltage, and output current. Verify that the component values and PCB layout match the recommended design. Use an oscilloscope to check for oscillations or noise on the output. If issues persist, consult the datasheet and application notes for guidance.

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LT3481IDD#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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LT3481IDD#PBF Alternates

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Part Image LT3481HDD#PBF Analog Devices Inc

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Part Image LT3481IDD#TR Analog Devices Inc

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For a full list of alternate parts for LT3481IDD#PBF, check out Findchips.com