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LTC3548AEDD#TRPBF - Analog Devices

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

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LTC3548AEDD#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3548AEDD#TRPBF - 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#TRPBF - 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#TRPBF Details

  • Manufacturer Part Number:

    LTC3548AEDD#TRPBF

  • 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#TRPBF 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 solid ground plane is recommended. Additionally, it's essential to follow the layout guidelines provided in the datasheet and application notes.
  • To optimize the performance of the LTC3548AEDD, you should consider factors such as input voltage, output voltage, output current, and operating frequency. You can use the datasheet and application notes to determine the optimal component values and layout for your specific application. Additionally, you can use simulation tools such as SPICE or LTspice to model and optimize the performance of the converter.
  • The LTC3548AEDD has a maximum junction temperature of 125°C. To ensure reliable operation, you should ensure that the IC is properly cooled, either through convection or conduction. You can use thermal design guidelines and thermal simulation tools to determine the optimal thermal design for your application. Additionally, you can use thermal interface materials and heat sinks to improve heat dissipation.
  • To troubleshoot issues with the LTC3548AEDD, you should first consult the datasheet and application notes to ensure that the IC is being used within its specified operating conditions. You can then use oscilloscopes and other test equipment to measure the input and output voltages, currents, and frequencies. You can also use simulation tools to model the behavior of the converter and identify potential issues. Additionally, you can contact Analog Devices' technical support for further assistance.
  • The LTC3548AEDD is a switching regulator, and as such, it can generate electromagnetic interference (EMI). To minimize EMI, you should use proper PCB layout techniques, such as keeping the switching nodes away from sensitive circuits and using shielding and filtering techniques. You should also ensure that the converter is properly decoupled and that the input and output capacitors are properly selected. Additionally, you can use EMI simulation tools to model and optimize the EMI performance of the converter.

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LTC3548AEDD#TRPBF Overview

Use the download button to access the LTC3548AEDD#TRPBF schematic symbol, PCB footprint, and 3D model.
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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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