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LTC3548AEDD#PBF - Analog Devices

Description: Dual Synchronous 400mA/800mA, 2.25MHz Step-Down DC/DC Regulator

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LTC3548AEDD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3548AEDD#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm) (Reference LTC DWG # 05-08-1699 Rev C) H 0.8mm
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3D Models
LTC3548AEDD#PBF - Analog Devices - 3D model - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm) (Reference LTC DWG # 05-08-1699 Rev C) H 0.8mm
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LTC3548AEDD#PBF Details

  • Manufacturer Part Number:

    LTC3548AEDD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, 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 0.6V TO 5V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    CONSTANT FREQUENCY

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-PDSO-N10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    85 °C

  • Output Current-Max:

    1.6 A

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    0.6 V

  • 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

  • Supply Current-Max (Isup):

    0.95 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2700 kHz

  • Technology:

    CMOS

  • 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

LTC3548AEDD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3548AEDD involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
  • To optimize the performance of the LTC3548AEDD in a high-temperature environment, ensure good thermal conduction between the IC and the PCB, use a heat sink if necessary, and consider derating the output current and voltage according to the datasheet specifications.
  • The maximum input voltage that can be applied to the LTC3548AEDD is 15V, but it's recommended to keep the input voltage below 12V to ensure reliable operation and to prevent damage to the IC.
  • Yes, the LTC3548AEDD is suitable for battery-powered devices due to its low quiescent current and high efficiency. However, ensure that the input voltage is within the recommended range and that the output voltage is set to a value that allows for efficient battery operation.
  • To troubleshoot issues with the LTC3548AEDD, start by checking the input voltage, output voltage, and output current. Verify that the input and output capacitors are properly connected and that the PCB layout is correct. Use an oscilloscope to check for oscillations or noise on the output voltage. Consult the datasheet and application notes for troubleshooting guidelines.

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LTC3548AEDD#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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