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LT8643SIV#PBF - Analog Devices

Description: 42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5μA Quiescent Current

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LT8643SIV#PBF - Analog Devices - PCB symbol
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LT8643SIV#PBF Details

  • Manufacturer Part Number:

    LT8643SIV#PBF

  • 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:

    05-08-1511

  • Country Of Origin:

    South Korea

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    SILENT SWITCHER

  • Input Voltage-Max:

    42 V

  • Input Voltage-Min:

    3.4 V

  • Input Voltage-Nom:

    6 V

  • JESD-30 Code:

    S-XQCC-N24

  • JESD-609 Code:

    e4

  • 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:

    6 A

  • Output Voltage-Max:

    10 V

  • Output Voltage-Min:

    0.97 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    QCCN

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.03 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2100 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Gold (Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LT8643SIV#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that the LT8643SIV#PBF can handle is 42V, but it's recommended to keep it below 36V for optimal performance and reliability.
  • To ensure the stability of the output voltage, make sure to use the recommended output capacitor values and types, and follow the layout guidelines provided in the datasheet. Additionally, consider using a soft-start circuit to reduce inrush current and prevent output voltage overshoot.
  • The maximum output current that the LT8643SIV#PBF can deliver is 3A, but it's recommended to derate the output current based on the input voltage, output voltage, and ambient temperature to ensure reliable operation.
  • To optimize the efficiency of the LT8643SIV#PBF, make sure to select the optimal input and output capacitors, and consider using a high-efficiency inductor. Additionally, optimize the switching frequency and dead time to minimize losses, and consider using a synchronous rectifier to reduce power losses.
  • The LT8643SIV#PBF has a maximum junction temperature of 150°C. To ensure reliable operation, make sure to provide adequate heat sinking and thermal management, and consider using a thermal interface material to improve heat transfer.

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LT8643SIV#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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