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LTC3546EFE#PBF - Analog Devices

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

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LTC3546EFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 28-Lead Plastic TSSOP
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LTC3546EFE#PBF - Analog Devices  - 3D model - Small Outline Packages - 28-Lead Plastic TSSOP
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LTC3546EFE#PBF Details

  • Manufacturer Part Number:

    LTC3546EFE#PBF

  • 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#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3546EFE#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and separating the analog and digital grounds. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, check that the output capacitor is sufficient to filter out high-frequency noise, and that the input voltage is within the recommended range. If oscillations occur, try adding a small capacitor (e.g., 10nF) between the VOUT and GND pins.
  • The maximum input voltage for the LTC3546EFE#PBF is 15V. Exceeding this voltage can damage the IC. If a higher input voltage is required, consider using a voltage regulator or a voltage divider to step down the input voltage.
  • The LTC3546EFE#PBF is rated for operation up to 125°C. However, the IC's performance and reliability may degrade at high temperatures. If your application requires operation above 125°C, consider using a heat sink or a thermally-enhanced package, and consult with Analog Devices' application engineers for guidance.
  • To troubleshoot issues with the LTC3546EFE#PBF, start by checking the input voltage, output voltage, and current consumption. Verify that the component values and PCB layout meet the recommended specifications. Use an oscilloscope to check for noise and oscillations. If the issue persists, consult the datasheet and application notes, or contact Analog Devices' technical support for assistance.

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LTC3546EFE#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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