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LT3481EDD#TRPBF - Analog Devices

Description: Switching Voltage Regulators 36V, 2A (Iout), 2.8MHz Step-Down Switching Regulator in DFN

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

  • Manufacturer Part Number:

    LT3481EDD#TRPBF

  • 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#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3481EDD#TRPBF 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 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure the LT3481EDD#TRPBF operates within its recommended operating conditions, make sure to provide a stable input voltage within the recommended range of 2.9V to 5.5V. Also, ensure the device operates within the recommended temperature range of -40°C to 125°C. Proper thermal management, such as using a heat sink or a thermally conductive pad, can help maintain a safe operating temperature.
  • Common pitfalls to avoid when designing with the LT3481EDD#TRPBF include incorrect pin connections, inadequate decoupling, and poor PCB layout. To troubleshoot issues, start by verifying the power supply voltage, checking for proper pin connections, and ensuring the input and output capacitors are properly connected. Use an oscilloscope to measure the output voltage and current, and consult the datasheet and application notes for guidance.
  • To optimize the performance of the LT3481EDD#TRPBF, ensure the input and output capacitors are properly selected and placed close to the IC. Use a low-ESR output capacitor to minimize output voltage ripple. Adjust the feedback resistors to optimize the output voltage accuracy. Additionally, consider using a soft-start circuit to reduce inrush current and improve transient response.
  • The LT3481EDD#TRPBF is commonly used in battery-powered devices, such as smartphones, tablets, and laptops, as well as in industrial and medical devices. To adapt it to your specific design requirements, consider the output voltage and current requirements, and select the appropriate feedback resistors and capacitors. You can also use the LT3481EDD#TRPBF in a variety of topologies, such as a buck converter, boost converter, or inverting converter, depending on your design needs.

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LT3481EDD#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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