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LTC3544BEUD#PBF - Analog Devices

Description: Linear Technology LTC3544BEUD#PBF, Quad Step Down DC-DC Switching Regulator, 300mA, Adjustable, 0.8 → 5.5 V

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LTC3544BEUD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3544BEUD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UD Package 16-Lead Plastic QFN (3mm × 3mm)
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3D Models
LTC3544BEUD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UD Package 16-Lead Plastic QFN (3mm × 3mm)
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LTC3544BEUD#PBF Details

  • Manufacturer Part Number:

    LTC3544BEUD#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-220WEED-2, QFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1691

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.25 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.8 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, 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):

    1.1 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2700 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

LTC3544BEUD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3544BEUD involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths to reduce EMI and noise. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. Also, check that the feedback resistors are of the correct value and are not too close to the IC, which can cause oscillations.
  • The maximum ambient temperature range for the LTC3544BEUD is -40°C to 125°C. However, the junction temperature should not exceed 150°C to ensure reliable operation.
  • Yes, the LTC3544BEUD is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive applications and is also suitable for industrial and medical applications that require high reliability.
  • To troubleshoot issues with the LTC3544BEUD, start by checking the input voltage, output voltage, and feedback voltage using an oscilloscope or multimeter. Check for any signs of oscillation, noise, or instability. Verify that the component values and PCB layout match the recommended design. If the issue persists, consult the datasheet and application notes or contact Analog Devices' technical support for further assistance.

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LTC3544BEUD#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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