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LT3971EMSE16#PBF - Analog Devices

Description: Buck Switching Regulator IC Positive Adjustable 1.19V 1 Output 1.2A 16-TFSOP (0.118", 3.00mm Width) Exposed Pad ,4.3V ,38V ,30V ,-40°C ~ 125°C (TJ)

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LT3971EMSE16#PBF - Analog Devices - PCB symbol
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LT3971EMSE16#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MSE Package 16-Lead Plastic MSOP, Exposed Die Pad_2025-1.1
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LT3971EMSE16#PBF - Analog Devices - 3D model - Small Outline Packages - MSE Package 16-Lead Plastic MSOP, Exposed Die Pad_2025-1.1
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LT3971EMSE16#PBF Details

  • Manufacturer Part Number:

    LT3971EMSE16#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1667

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OPERATES IN ADJUSTABLE MODE FROM 1.19 V TO 30 V

  • 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:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    4.039 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • 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:

    RECTANGULAR

  • Package Style:

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

  • Peak Reflow Temperature (Cel):

    260

  • 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

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

    30

  • Width:

    3 mm

LT3971EMSE16#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3971 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a separate analog ground plane and to keep the power supply traces away from the analog signals.
  • The choice of input and output capacitors for the LT3971 depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. The input capacitor should be able to handle the input voltage and current, while the output capacitor should be able to handle the output voltage and current. A good starting point is to use capacitors with a capacitance value of 10uF to 22uF and a voltage rating of 25V to 50V.
  • The LT3971 is rated for operation over a temperature range of -40°C to 125°C. However, the device's performance and reliability may be affected at extreme temperatures. It's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance and reliability.
  • To ensure the LT3971 is stable and doesn't oscillate, it's recommended to follow the layout guidelines in the datasheet, use a sufficient output capacitor, and ensure that the input voltage is within the recommended range. Additionally, it's recommended to add a small ceramic capacitor (e.g. 10nF) between the VIN pin and the GND pin to improve stability.
  • The maximum output current capability of the LT3971 is 1.6A. However, the device's output current capability may be limited by the input voltage, output voltage, and ambient temperature. It's recommended to check the device's datasheet and application notes for more information on output current capability and thermal considerations.

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LT3971EMSE16#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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