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LTC3545EUD#PBF - Analog Devices

Description: Switching Voltage Regulators Triple 800mA Synchronous Buck Converter in QFN

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LTC3545EUD#PBF - Analog Devices - PCB symbol
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LTC3545EUD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UD Package
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LTC3545EUD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UD Package
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LTC3545EUD#PBF Details

  • Manufacturer Part Number:

    LTC3545EUD#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-4, QFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1700

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Additional Feature:

    DUMMY VAL

  • 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

  • Output Current-Max:

    1.6 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):

    0.75 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2700 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • 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

LTC3545EUD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3545EUD 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.
  • The compensation network for the LTC3545EUD involves selecting the right values for the resistors and capacitors. A good starting point is to use the values recommended in the datasheet, and then adjust them based on the specific application and desired performance. It's also important to consider the output capacitor's ESR and the input capacitor's ESL when optimizing the compensation network.
  • The maximum input voltage that the LTC3545EUD can handle is 15V. Exceeding this voltage can damage the IC. It's recommended to add input voltage protection, such as a voltage regulator or a TVS diode, to prevent damage from voltage spikes or surges.
  • The LTC3545EUD is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to derate the output current and voltage at high temperatures to ensure reliable operation. Additionally, the IC's thermal resistance and the PCB's thermal design should be considered to prevent overheating.
  • To ensure the LTC3545EUD's output is stable and regulated, it's essential to follow the recommended PCB layout, use the correct output capacitor value and type, and optimize the compensation network. Additionally, the input voltage should be stable and within the recommended range, and the output load should be within the recommended current range.

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LTC3545EUD#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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