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LT3971IMSE-3.3#PBF - Analog Devices

Description: 38V, 1.2A, 2MHz Step-Down Regulator with 2.8μA Quiescent Current

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LT3971IMSE-3.3#PBF - Analog Devices - PCB symbol
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LT3971IMSE-3.3#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MSE Package 10-Lead Plastic MSOP, Exposed Die Pad
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LT3971IMSE-3.3#PBF Details

  • Manufacturer Part Number:

    LT3971IMSE-3.3#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1664

  • Country Of Origin:

    Malaysia

  • 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:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    4.3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PDSO-G10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    SQUARE

  • Package Style:

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

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2400 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

LT3971IMSE-3.3#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3971IMSE-3.3 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a separate analog ground plane and to keep the power traces away from the analog signals.
  • To ensure the stability of the LT3971IMSE-3.3 output voltage, it's essential to use the recommended output capacitor value and type, as specified in the datasheet. Additionally, the output capacitor should be placed close to the device, and the output voltage should be decoupled from the input voltage using a ferrite bead or an RC filter.
  • The maximum input voltage that the LT3971IMSE-3.3 can handle is 15V. However, it's recommended to operate the device within the specified input voltage range of 3.5V to 12V to ensure optimal performance and reliability.
  • The LT3971IMSE-3.3 is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the device's output current and voltage according to the temperature derating curve provided in the datasheet.
  • To troubleshoot issues with the LT3971IMSE-3.3 output voltage, start by checking the input voltage and ensuring it's within the specified range. Then, verify that the output capacitor is properly connected and meets the recommended specifications. If the issue persists, check for any signs of overheating, such as excessive temperature or current draw.

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LT3971IMSE-3.3#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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