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LT3971EMSE-3.3#PBF - Analog Devices

Description: Switching Voltage Regulators 40V, 1.2A, 2MHz Step-Down Switching Regulator with 2uA Quiescent Current

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LT3971EMSE-3.3#PBF Details

  • Manufacturer Part Number:

    LT3971EMSE-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

  • 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

  • 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:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

LT3971EMSE-3.3#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LT3971EMSE-3.3#PBF is 15V, but it's recommended to keep it below 12V for optimal performance and reliability.
  • To ensure the stability of the output voltage, it's essential to use a suitable output capacitor with a low equivalent series resistance (ESR) and a high ripple current rating. A 10uF ceramic capacitor with an X5R or X7R dielectric is a good choice.
  • The minimum input capacitance required for the LT3971EMSE-3.3#PBF is 10uF, but it's recommended to use a higher value (e.g., 22uF) to ensure stability and reduce input voltage ripple.
  • The LT3971EMSE-3.3#PBF is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. It's essential to ensure proper thermal management and consider derating the device's specifications at high temperatures.
  • To reduce noise and ripple in the output voltage, use a low-ESR output capacitor, add a noise-reducing capacitor (e.g., 10nF) in parallel with the output capacitor, and consider using a ferrite bead or a common-mode choke to filter out high-frequency noise.

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LT3971EMSE-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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