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LT3970IMS#PBF - Analog Devices

Description: Linear Technology, LT3970IMS#PBF Switching Regulator 350mA Adjustable, 1.21 → 25 V, 10-Pin MSOP

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LT3970IMS#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3970IMS#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS Package 10-Lead Plastic MSOP_1-ren1
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LT3970IMS#PBF - Analog Devices - 3D model - Small Outline Packages - MS Package 10-Lead Plastic MSOP_1-ren1
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LT3970IMS#PBF Details

  • Manufacturer Part Number:

    LT3970IMS#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    MSOP-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1661

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 1.21 V TO 25 V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4.2 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:

    0.865 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP10,.19,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, 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:

    2640 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

LT3970IMS#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3970IMS#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and inductance. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure the LT3970IMS#PBF operates within its SOA, monitor the input voltage, output current, and junction temperature. Keep the input voltage within the recommended range, and ensure the output current does not exceed the maximum rating. Also, provide adequate heat sinking and thermal management to keep the junction temperature below 125°C.
  • When selecting input and output capacitors for the LT3970IMS#PBF, consider the capacitor's equivalent series resistance (ESR), capacitance value, and voltage rating. Choose capacitors with low ESR, high capacitance values, and voltage ratings that exceed the maximum input and output voltages. X5R or X7R ceramic capacitors are recommended.
  • To troubleshoot issues with the LT3970IMS#PBF, start by verifying the input voltage, output voltage, and output current. Check for proper PCB layout, component selection, and soldering. Use an oscilloscope to monitor the output voltage and current waveforms. Consult the datasheet and application notes for guidance on troubleshooting and debugging.
  • Operating the LT3970IMS#PBF at high ambient temperatures can reduce its reliability and lifespan. To mitigate thermal issues, ensure good airflow, use a heat sink, and consider using a thermal interface material. Monitor the junction temperature and reduce the output current or input voltage to prevent overheating.

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LT3970IMS#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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