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LTC3548IDD#PBF - Analog Devices

Description: Dual Synchronous, 400mA/800mA, 2.25MHz Step-Down DC/DC Regulator DFN –40°C to 85°C

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LTC3548IDD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3548IDD#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm)
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LTC3548IDD#PBF - Analog Devices - 3D model - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm)
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LTC3548IDD#PBF Details

  • Manufacturer Part Number:

    LTC3548IDD#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:

    BURST MODE

  • 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:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °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:

    INDUSTRIAL

  • 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

LTC3548IDD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3548IDD#PBF 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. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane to reduce noise and EMI.
  • The selection of input and output capacitors for the LTC3548IDD#PBF depends on the specific application requirements. In general, low-ESR ceramic capacitors with a value of 10uF to 22uF are recommended for the input and output capacitors. The capacitor selection should also consider the voltage rating, ripple current rating, and temperature rating.
  • The LTC3548IDD#PBF can operate in an ambient temperature range of -40°C to 125°C. However, the device's performance and reliability may be affected at extreme temperatures. It's recommended to derate the device's performance and ensure proper thermal management to ensure reliable operation.
  • Yes, the LTC3548IDD#PBF is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard for automotive applications and is also suitable for other high-reliability applications such as industrial, medical, and aerospace.
  • To troubleshoot issues with the LTC3548IDD#PBF, start by checking the PCB layout and ensuring that it meets the recommended layout guidelines. Check the input and output voltage levels, and ensure that the capacitors are properly selected and placed. Use an oscilloscope to check for oscillations or ringing on the output, and verify that the device is operating within its specified operating conditions.

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LTC3548IDD#PBF Overview

Use the download button to access the LTC3548IDD#PBF 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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