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LT8643SIV#TRPBF - Analog Devices

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

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LT8643SIV#TRPBF - Analog Devices PCB footprint - Other - Other - LT8643SIV#TRPBF
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LT8643SIV#TRPBF Details

  • Manufacturer Part Number:

    LT8643SIV#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:

    SILENT SWITCHER

  • Input Voltage-Max:

    42 V

  • Input Voltage-Min:

    3.4 V

  • Input Voltage-Nom:

    6 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:

    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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LT8643SIV#TRPBF Frequently Asked Questions (FAQs)

  • Analog Devices provides a recommended PCB layout in the datasheet, but it's also recommended to follow general best practices for switching regulator layout, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths.
  • The datasheet provides guidelines for capacitor selection, but it's also important to consider factors such as capacitor type (e.g. ceramic, electrolytic), voltage rating, and ESR (Equivalent Series Resistance). A good starting point is to use a 10uF ceramic capacitor for the input and a 22uF ceramic capacitor for the output.
  • The LT8643SIV#TRPBF has a maximum junction temperature of 150°C, but the maximum ambient temperature depends on the specific application and cooling conditions. As a general rule, it's recommended to derate the device's power dissipation at high ambient temperatures to ensure reliable operation.
  • Yes, the LT8643SIV#TRPBF is qualified for automotive and high-reliability applications, and meets the requirements of the AEC-Q100 standard. However, it's still important to follow proper design and testing procedures to ensure the device meets the specific requirements of the application.
  • Analog Devices provides a troubleshooting guide in the datasheet, which covers common issues and their solutions. Additionally, it's recommended to use a oscilloscope to measure the input and output waveforms, and to check for proper PCB layout and component selection.

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LT8643SIV#TRPBF Overview

Use the download button to access the LT8643SIV#TRPBF schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LT864, or try a keyword search, such as Switching Regulator or Controllers

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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