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LTC3549EDCB#TRPBF - Analog Devices

Description: Switching Voltage Regulators 250mA, Low Vin Buck Regulator in 2x3 DFN

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LTC3549EDCB#TRPBF - Analog Devices - PCB symbol
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LTC3549EDCB#TRPBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - 6-Lead (2mm × 3mm) Plastic DFN
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LTC3549EDCB#TRPBF - Analog Devices - 3D model - Small Outline No-lead - 6-Lead (2mm × 3mm) Plastic DFN
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LTC3549EDCB#TRPBF Details

  • Manufacturer Part Number:

    LTC3549EDCB#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    6

  • Manufacturer Package Code:

    05-08-1715

  • 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:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.6 V

  • Input Voltage-Nom:

    2.2 V

  • JESD-30 Code:

    R-PDSO-N6

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    85 °C

  • Output Current-Max:

    0.6 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC6,.12,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, 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:

    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:

    DUAL

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

    30

  • Width:

    2 mm

LTC3549EDCB#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3549 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. Also, ensure that the output capacitor is properly sized and that the feedback resistors are correctly chosen. Additionally, a small capacitor (e.g., 10nF) can be added in parallel with the feedback resistors to improve stability.
  • The maximum input voltage that the LTC3549 can handle is 15V. However, it's recommended to keep the input voltage below 12V to ensure reliable operation and to prevent damage to the IC.
  • The LTC3549 is rated for operation up to 125°C. However, it's recommended to derate the output current and input voltage at high temperatures to ensure reliable operation. Additionally, the IC's thermal shutdown feature can help protect it from overheating.
  • The output voltage of the LTC3549 can be calculated using the formula: Vout = (R1/R2) * (Vin - Vref), where R1 and R2 are the feedback resistors, Vin is the input voltage, and Vref is the reference voltage (typically 1.2V).

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LTC3549EDCB#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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