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LT3971EDD-5#PBF - Analog Devices

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

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LT3971EDD-5#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3971EDD-5#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm)_2024
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3D Models
LT3971EDD-5#PBF - Analog Devices - 3D model - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm)_2024
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LT3971EDD-5#PBF Details

  • Manufacturer Part Number:

    LT3971EDD-5#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1699

  • 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:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    4.3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PDSO-N10

  • 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:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2400 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LT3971EDD-5#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3971EDD-5#PBF 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.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, make sure to decouple the input and output pins with suitable capacitors, and use a low-ESR output capacitor. Also, avoid using long traces or wires that can introduce noise and oscillations.
  • The LT3971EDD-5#PBF is rated for operation from -40°C to 125°C ambient temperature range. However, the device's performance and reliability may degrade at extreme temperatures, so it's essential to consider the thermal management and heat dissipation in your design.
  • Yes, the LT3971EDD-5#PBF is suitable for high-reliability and automotive applications. It's built with high-quality materials and has undergone rigorous testing to ensure its reliability and performance. However, it's essential to follow the recommended design guidelines and to consult with Analog Devices Inc for specific requirements and certifications.
  • To troubleshoot issues with the LT3971EDD-5#PBF, start by checking the power supply voltage, input and output voltages, and the device's operating frequency. Use an oscilloscope to check for noise, oscillations, or other anomalies. Also, verify that the device is properly soldered and that there are no shorts or opens on the PCB. Consult the datasheet and application notes for more detailed troubleshooting guidelines.

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LT3971EDD-5#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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