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LTC3127EMSE#PBF - Analog Devices

Description: Linear Technology LTC3127EMSE#PBF, Buck/Boost Converter Buck-Boost 1A, Adjustable, 1.8 → 5.25 V, 1.7 MHz, 12-Pin

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LTC3127EMSE#PBF - Analog Devices - PCB symbol
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LTC3127EMSE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MSE Package 12-Lead Plastic MSOP, Exposed Die Pad
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LTC3127EMSE#PBF - Analog Devices - 3D model - Small Outline Packages - MSE Package 12-Lead Plastic MSOP, Exposed Die Pad
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LTC3127EMSE#PBF Details

  • Manufacturer Part Number:

    LTC3127EMSE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, MSOP-12

  • Pin Count:

    12

  • Manufacturer Package Code:

    05-08-1666

  • 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 1.8 TO 5.25V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.8 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    R-PDSO-G12

  • JESD-609 Code:

    e3

  • Length:

    4.039 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    85 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    5.25 V

  • Output Voltage-Min:

    1.8 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP12,.19

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1700 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LTC3127EMSE#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the VIN pin is 18V, but it's recommended to keep it below 15V for optimal performance and to prevent damage to the internal components.
  • To optimize the inductor selection, consider the following factors: inductance value, DC resistance, and saturation current. A higher inductance value can reduce the ripple current, but may increase the size and cost of the inductor. A good starting point is to choose an inductor with an inductance value between 1.5uH to 3.3uH, and a DC resistance of less than 100mΩ.
  • For optimal performance, it's recommended to follow a star-grounding layout, where the GND pin is connected to a solid ground plane. Place the input and output capacitors close to the VIN and VOUT pins, respectively. Keep the high-frequency components (e.g., inductor, diodes) away from the low-frequency components (e.g., input/output capacitors).
  • The LTC3127 has a thermal shutdown feature that activates when the junction temperature exceeds 150°C. To prevent overheating, ensure good airflow around the device, and consider using a heat sink or thermal pad on the exposed pad of the QFN package. Keep the device away from other heat sources and ensure that the PCB is designed for good thermal dissipation.
  • A low-ESR ceramic capacitor (e.g., X5R or X7R) with a value between 4.7uF to 10uF is recommended for the input capacitor. This helps to filter the input voltage and reduce the ripple current.

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LTC3127EMSE#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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