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LT3570IFE#PBF - Analog Devices

Description: Switching Voltage Regulators 1.5A Buck Converter, 1.5A Boost Converter, and LDO Controller

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LT3570IFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 20-Lead Plastic TSSOP (4.4mm)-+-+
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LT3570IFE#PBF - Analog Devices - 3D model - Small Outline Packages - FE Package 20-Lead Plastic TSSOP (4.4mm)-+-+
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LT3570IFE#PBF Details

  • Manufacturer Part Number:

    LT3570IFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.40 MM, LEAD FREE, PLASTIC, TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1663 (CB)

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    CONSTANT FREQUENCY

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3.1 A

  • Output Voltage-Min:

    0.8 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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    2750 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LT3570IFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3570IFE#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a separate analog and digital ground plane to reduce noise and interference.
  • When selecting an inductor for the LT3570IFE#PBF, consider the inductor's saturation current, DC resistance, and core material. A good starting point is to choose an inductor with a saturation current rating of at least 1.5 times the maximum output current, and a DC resistance of less than 100mΩ. Additionally, consider using a shielded inductor to reduce EMI.
  • The LT3570IFE#PBF can operate in ambient temperatures ranging from -40°C to 125°C. However, the device's performance and reliability may be affected at extreme temperatures, so it's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance.
  • To troubleshoot issues with the LT3570IFE#PBF, start by checking the input voltage, output voltage, and current. Verify that the input voltage is within the recommended range, and that the output voltage is within the desired range. Check for any signs of overheating, such as excessive temperature or thermal shutdown. Use an oscilloscope to check for any noise or oscillations on the output voltage. Finally, consult the datasheet and application notes for guidance on troubleshooting specific issues.
  • Yes, the LT3570IFE#PBF is suitable for high-reliability and automotive applications. The device is built with high-reliability materials and manufacturing processes, and is designed to meet the requirements of the AEC-Q100 automotive standard. However, it's recommended to consult with Analog Devices Inc. for specific guidance on using the LT3570IFE#PBF in high-reliability or automotive applications.

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LT3570IFE#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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