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LT3972IDD#TRPBF - Analog Devices

Description: Switching Voltage Regulators 36V, 3.5A, 2.4MHz Step-Down Switching Regulator with 75uA Quiescent Current

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LT3972IDD#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT3972IDD#TRPBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm) (Reference LTC DWG # 05-08-1669)
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3D Models
LT3972IDD#TRPBF - Analog Devices - 3D model - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm) (Reference LTC DWG # 05-08-1669)
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LT3972IDD#TRPBF Details

  • Manufacturer Part Number:

    LT3972IDD#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, LEAD FREE, PLASTIC, MO-229WEED-2, DFN-10

  • 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:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.79 V TO 30 V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    33 V

  • Input Voltage-Min:

    3.6 V

  • Input Voltage-Nom:

    10 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

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6.2 A

  • Output Voltage-Max:

    30 V

  • Output Voltage-Min:

    0.79 V

  • Output Voltage-Nom:

    3.5 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:

    2700 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LT3972IDD#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3972 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 for the device and keep it isolated from the digital ground plane.
  • To ensure stability, it's essential to follow the recommended component values and layout guidelines in the datasheet. Additionally, make sure to decouple the input and output pins with suitable capacitors, and use a low-ESR output capacitor to minimize ringing and oscillations.
  • The LT3972IDD#TRPBF has an operating temperature range of -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the device's power dissipation. It's recommended to consult the thermal management section in the datasheet for more information.
  • Yes, the LT3972IDD#TRPBF is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive applications and is suitable for use in harsh environments. However, it's essential to consult the device's reliability report and follow the recommended design and testing guidelines for high-reliability applications.
  • To troubleshoot common issues with the LT3972, start by checking the PCB layout and component values against the recommended values in the datasheet. Verify that the input and output capacitors are properly decoupled, and check for any signs of overheating or excessive power dissipation. Use an oscilloscope to measure the output voltage and current, and consult the application notes and troubleshooting guides provided by Analog Devices for more information.

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LT3972IDD#TRPBF 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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