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LTC3546EUFD#TRPBF - Analog Devices

Description: Switching Voltage Regulators Dual Synchronous 3A/1A or 2A/2A, 4MHz Step Down DC/DC Regulator

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LTC3546EUFD#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3546EUFD#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD (28-Lead QFN)
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LTC3546EUFD#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD (28-Lead QFN)
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LTC3546EUFD#TRPBF Details

  • Manufacturer Part Number:

    LTC3546EUFD#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1712

  • 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:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    BURST MODE

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.25 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • 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

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    4000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LTC3546EUFD#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3546EUFD 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 LTC3546EUFD can be optimized by selecting the right values for the compensation 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 requirements and the desired transient response.
  • The maximum input voltage that the LTC3546EUFD can handle is 15V. Exceeding this voltage can damage the IC. It's recommended to use a voltage regulator or a voltage limiter to ensure that the input voltage does not exceed 15V.
  • The LTC3546EUFD is rated for operation up to 125°C. However, the IC's performance and reliability may degrade at high temperatures. It's recommended to use a heat sink or a thermal management system to keep the IC's temperature below 100°C for optimal performance and reliability.
  • To ensure the stability of the LTC3546EUFD, it's recommended to follow the layout guidelines in the datasheet, use a solid ground plane, and minimize the length of the traces between the IC and the capacitors. Additionally, the compensation network should be optimized for the specific application requirements.

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LTC3546EUFD#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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