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LTC3649IFE#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC3649IFE#PBF - DC/DC CONV, SYNC BUCK, 1MHZ, TSSOP-28

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LTC3649IFE#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3649IFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 28-Lead Plastic TSSOP
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LTC3649IFE#PBF - Analog Devices - 3D model - Small Outline Packages - 28-Lead Plastic TSSOP
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LTC3649IFE#PBF Details

  • Manufacturer Part Number:

    LTC3649IFE#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:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    BURST MODE

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    3.1 V

  • Input Voltage-Nom:

    24 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:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6.6 A

  • Output Voltage-Max:

    60 V

  • Output Voltage-Min:

    0.05 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

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

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    3000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

LTC3649IFE#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LTC3649IFE is 28V, but it's recommended to operate within the specified input voltage range of 4.5V to 24V for optimal performance.
  • To ensure the stability of the output voltage, it's essential to follow the recommended layout guidelines, use a suitable output capacitor, and ensure that the input voltage is within the specified range. Additionally, the output voltage can be adjusted using the FB pin, and the output voltage stability can be improved by adding a capacitor in parallel with the output capacitor.
  • The EN (enable) pin is used to enable or disable the regulator. When the EN pin is pulled high (above 1.2V), the regulator is enabled, and when it's pulled low (below 0.4V), the regulator is disabled. This pin can be used to implement power sequencing or to turn the regulator on and off as needed.
  • The output voltage of the LTC3649IFE can be calculated using the following formula: VOUT = 0.8V x (1 + R1/R2), where R1 and R2 are the resistors connected to the FB pin. The output voltage can be adjusted by changing the values of R1 and R2.
  • The maximum output current that the LTC3649IFE can deliver is 1.5A. However, the output current should be derated based on the input voltage, output voltage, and ambient temperature to ensure reliable operation.

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LTC3649IFE#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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