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LTC3546EFE#TRPBF - Analog Devices

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

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LTC3546EFE#TRPBF - Analog Devices - PCB symbol
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LTC3546EFE#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LTC3546EFE#TRPBF - Analog Devices - 3D model - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LTC3546EFE#TRPBF Details

  • Manufacturer Part Number:

    LTC3546EFE#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1663 (EB)

  • 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:

    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-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 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:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

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

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 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:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LTC3546EFE#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3546EFE 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.
  • To optimize the performance of the LTC3546EFE in a high-temperature environment, ensure good thermal management by providing adequate heat sinking, using a thermally conductive PCB material, and keeping the IC away from heat sources. Also, consider derating the output current and voltage according to the temperature derating curves provided in the datasheet.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor. The capacitor should be rated for the input voltage and have a low equivalent series resistance (ESR) to minimize input ripple and ensure stable operation.
  • To troubleshoot issues with the LTC3546EFE, start by checking the input voltage, output voltage, and output current. Verify that the input and output capacitors are properly connected and meet the recommended specifications. Check for any signs of overheating, and ensure that the IC is properly soldered and mounted. Use an oscilloscope to check for any oscillations or ringing on the output voltage.
  • Yes, the LTC3546EFE can be used in a battery-powered application. However, ensure that the input voltage is within the recommended range, and consider using a low-dropout linear regulator or a battery monitor IC to regulate the input voltage and prevent over-discharge of the battery.

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LTC3546EFE#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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