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LT8642SIV#TRPBF - Analog Devices

Description: 18V, 10A Synchronous?Step-Down Silent Switcher 2?

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LT8642SIV#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT8642SIV#TRPBF - Analog Devices PCB footprint - Other - Other - LQFN Package 24-Lead (4mm × 4mm × 0.94mm)_2024-1
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LT8642SIV#TRPBF - Analog Devices - 3D model - Other - LQFN Package 24-Lead (4mm × 4mm × 0.94mm)_2024-1
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LT8642SIV#TRPBF Details

  • Manufacturer Part Number:

    LT8642SIV#TRPBF

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LQFN-24

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-XQCC-N24

  • Length:

    4 mm

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    10 A

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HQCCN

  • Package Equivalence Code:

    LCC24,.15SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG

  • Seated Height-Max:

    1.03 mm

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2025 kHz

  • Technology:

    HYBRID

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LT8642SIV#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8642SIV#TRPBF 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. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended. Additionally, it's essential to follow the layout guidelines provided in the datasheet and application notes.
  • The selection of input and output capacitors for the LT8642SIV#TRPBF depends on the specific application requirements. In general, low-ESR capacitors with high ripple current ratings are recommended. For the input capacitor, a 10uF to 22uF ceramic capacitor with an X7R or X5R dielectric is suitable. For the output capacitor, a 22uF to 47uF ceramic capacitor with an X7R or X5R dielectric is recommended. It's essential to consider the voltage rating, ESR, and ripple current rating of the capacitors when making a selection.
  • The LT8642SIV#TRPBF can operate in an ambient temperature range of -40°C to 125°C. However, the junction temperature of the IC should not exceed 150°C. It's essential to ensure proper heat sinking and thermal management to prevent overheating and ensure reliable operation.
  • Yes, the LT8642SIV#TRPBF is suitable for high-reliability and automotive applications. It's manufactured using a high-reliability process and is qualified to the AEC-Q100 standard for automotive applications. However, it's essential to follow the recommended operating conditions, layout guidelines, and thermal management recommendations to ensure reliable operation in these applications.
  • To troubleshoot issues with the LT8642SIV#TRPBF, start by verifying the input voltage, output voltage, and operating frequency. Check the PCB layout and ensure that it follows the recommended guidelines. Verify that the input and output capacitors are properly selected and installed. Use an oscilloscope to check for output voltage ripple and noise. If the issue persists, consult the datasheet and application notes for troubleshooting guidelines or contact Analog Devices' technical support for assistance.

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LT8642SIV#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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