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LTC3544EUD#TRPBF - Analog Devices

Description: High Effi ciency: Up to 95% ■ Four Independent Regulators Provide Up to 300mA, 200mA, 200mA and 100mA Output Current ■ 2.25V to 5.5V Input Voltage Range ■ 2.25MHz Constant-Frequency Operation ■ No Schottky Diodes Required ■ Extremely Low Channel-to-Channel Transient Crosstalk ■ Low Ripple (20mVP-P) Burst Mode Operation: IQ = 70μA (All Channels On) ■ 0.8V Reference Allows Low Output Voltages ■ Shutdown Mode Draws <1μA Supply Current ■ Current Mode Operation for Excellent Line and Load Transient

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PCB Footprints
LTC3544EUD#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UD Package 16-Lead Plastic QFN (3mm × 3mm) (Reference LTC DWG # 05-08-1691)..
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3D Models
LTC3544EUD#TRPBF - Analog Devices  - 3D model - Quad Flat No-Lead - UD Package 16-Lead Plastic QFN (3mm × 3mm) (Reference LTC DWG # 05-08-1691)..
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LTC3544EUD#TRPBF Details

  • Manufacturer Part Number:

    LTC3544EUD#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, PLASTIC, MO220WEED-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:

    FREQUENCY 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

  • Output Voltage-Min:

    0.8 V

  • 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

LTC3544EUD#TRPBF Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal performance of the LTC3544EUD includes 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 is recommended to use a multilayer PCB with a dedicated power plane for the input voltage and a separate ground plane for the output voltage.
  • When choosing an inductor for the LTC3544EUD, consider the inductor's value, saturation current, and DC resistance. The inductor value should be chosen based on the desired output voltage and the input voltage range. The saturation current should be higher than the maximum output current, and the DC resistance should be low to minimize power loss. Additionally, consider the inductor's physical size, material, and temperature rating.
  • The maximum input voltage that the LTC3544EUD can handle is 15V, but it is recommended to operate the IC within the specified input voltage range of 2.5V to 12V for optimal performance and reliability.

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LTC3544EUD#TRPBF 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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Part Image LTC3544EUD#TR Linear Technology

Switching Regulator, Current-mode, 0.8A, 2700kHz Switching Freq-Max, CMOS, PQCC16

Part Image LTC3544EUD#TRPBF Linear Technology

Switching Regulator, Current-mode, 0.8A, 2700kHz Switching Freq-Max, CMOS, PQCC16