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LTC3548EMSE#PBF - Analog Devices

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

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LTC3548EMSE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MSE Package 10-Lead Plastic MSOP_2021
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LTC3548EMSE#PBF Details

  • Manufacturer Part Number:

    LTC3548EMSE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, MSOP-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1664

  • Country Of Origin:

    Thailand

  • 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-G10

  • 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:

    1.6 A

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 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)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3 mm

LTC3548EMSE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3548EMSE 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. The datasheet provides a recommended PCB layout, but it's also a good idea to consult with experienced engineers or use PCB design tools to ensure optimal layout.
  • The choice of input and output capacitors for the LTC3548EMSE depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. The input capacitor should be able to handle the input voltage and current, while the output capacitor should be able to handle the output voltage and current. The datasheet provides some guidance on capacitor selection, but it's also important to consult with capacitor manufacturers and consider factors such as temperature range, voltage rating, and physical size.
  • The maximum ambient temperature range for the LTC3548EMSE is -40°C to 125°C. However, the device's performance and reliability may be affected at extreme temperatures. It's important to consider the temperature range of the specific application and ensure that the device is operated within its recommended temperature range.
  • Proper thermal management is critical for the LTC3548EMSE. This involves ensuring good airflow around the device, using a heat sink if necessary, and keeping the device away from other heat sources. The datasheet provides thermal resistance data, which can be used to estimate the device's junction temperature. It's also important to consider the thermal management of the entire system, including the PCB and other components.
  • The typical start-up time for the LTC3548EMSE is around 10ms to 20ms, depending on the input voltage and output load. However, this time can vary depending on the specific application and circuit configuration. It's important to ensure that the device is properly configured and that the input voltage is stable before enabling the output.

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LTC3548EMSE#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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