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LTC3541EDD#PBF - Analog Devices

Description: High Efficiency, 500mA Buck Plus 300mA VLDO™ Regulator n Auto Start-Up Powers Buck Output Prior to VLDO/Linear Regulator Output n Independent High Efficiency, 500mA Buck (VIN: 2.7V to 5.5V) n 300mA VLDO Regulator with 30mA Standalone Mode n No External Schottky Diodes Required n Buck Output Voltage Range: 0.8V to 5V n VLDO Input Voltage Range (LVIN): 0.9V to 5.5V n VLDO Output Voltage Range VLDO: 0.4V to 4.1V n Selectable Fixed Frequency, Pulse-Skip Operation or n Burst Mode® Operation n Short-

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LTC3541EDD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3541EDD#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm) (Reference LTC DWG # 05-08-1699 Rev C)...
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3D Models
LTC3541EDD#PBF - Analog Devices - 3D model - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm) (Reference LTC DWG # 05-08-1699 Rev C)...
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LTC3541EDD#PBF Details

  • Manufacturer Part Number:

    LTC3541EDD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DFN-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1699

  • Country Of Origin:

    Thailand

  • 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:

    BURST MODE

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.7 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-PDSO-N10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    85 °C

  • Output Current-Max:

    1.25 A

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • 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:

    COMMERCIAL EXTENDED

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LTC3541EDD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3541EDD#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces connecting the IC to the capacitors and resistors. Additionally, it's recommended to use a separate analog ground plane and to keep the power and ground traces separate.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, check that the output capacitor is properly sized and that the feedback resistors are correctly chosen. If oscillations occur, try adding a small capacitor (e.g., 10nF) between the output and ground to dampen the oscillations.
  • The maximum input voltage for the LTC3541EDD#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 reduce the input voltage to a safe level.
  • The LTC3541EDD#PBF is rated for operation up to 125°C. However, the IC's performance and reliability may degrade at high temperatures. If operation above 85°C is required, consider using a heat sink or a thermally-enhanced package. Always check the IC's thermal specifications and derate the output current accordingly.
  • The output voltage ripple of the LTC3541EDD#PBF can be estimated using the formula: ΔVout = (Iout * ESL) / (Cout * fsw), where ESL is the equivalent series inductance of the output capacitor, Cout is the output capacitance, and fsw is the switching frequency. A lower ESL and higher Cout will result in lower output voltage ripple.

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LTC3541EDD#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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