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LT8644SIV#TRPBF - Analog Devices

Description: Switching Voltage Regulators 8V, 16A Buck Silent Switcher 2

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LT8644SIV#TRPBF - Analog Devices - PCB symbol
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LT8644SIV#TRPBF - Analog Devices PCB footprint - Other - Other - LQFN Package 24-Lead (4mm × 4mm × 0.95mm)
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LT8644SIV#TRPBF - Analog Devices - 3D model - Other - LQFN Package 24-Lead (4mm × 4mm × 0.95mm)
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LT8644SIV#TRPBF Details

  • Manufacturer Part Number:

    LT8644SIV#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LQFN-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    05-08-7008

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    8 V

  • Input Voltage-Min:

    1.5 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    S-PQCC-N24

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    16 A

  • Output Voltage-Max:

    8 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCN

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.05 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2050 kHz

  • Technology:

    BIPOLAR

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LT8644SIV#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8644SIV 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 dedicated ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the input and output capacitors meet the recommended specifications, and that the feedback network is properly compensated. Additionally, consider using a soft-start circuit to reduce inrush current during startup.
  • The LT8644SIV can operate in ambient temperatures up to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. It's essential to ensure proper thermal management, such as using a heat sink or a thermally conductive PCB, to prevent overheating.
  • Yes, the LT8644SIV is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive grade and is manufactured using a high-reliability process. However, it's essential to follow the recommended design and testing guidelines to ensure the required level of reliability.
  • To troubleshoot issues with the LT8644SIV, start by checking the input and output voltages, as well as the current consumption. Verify that the component values and PCB layout meet the recommended specifications. Use an oscilloscope to check for oscillations or noise on the output. If the issue persists, consult the datasheet and application notes, or contact Analog Devices' technical support for further assistance.

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LT8644SIV#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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