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LT8640SIV#TRPBF - Analog Devices

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

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LT8640SIV#TRPBF - Analog Devices - PCB symbol
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LT8640SIV#TRPBF - Analog Devices PCB footprint - Other - Other - LT8640SIV#TRPBF
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LT8640SIV#TRPBF - Analog Devices - 3D model - Other - LT8640SIV#TRPBF
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LT8640SIV#TRPBF Details

  • Manufacturer Part Number:

    LT8640SIV#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

  • 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

  • Width:

    4 mm

LT8640SIV#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8640SIV#TRPBF involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. A 4-layer PCB with a dedicated power plane and a dedicated 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 LT8640SIV#TRPBF depends on the specific application requirements. In general, low-ESR capacitors with high ripple current ratings are recommended. For the input capacitor, a value of 10uF to 22uF is typical, while for the output capacitor, a value of 22uF to 47uF is typical. The datasheet provides more detailed guidance on capacitor selection.
  • The LT8640SIV#TRPBF has an operating junction temperature range of -40°C to 125°C. However, the maximum ambient temperature depends on the specific application and the thermal design of the system. In general, the device can operate in ambient temperatures up to 85°C with proper heat sinking and thermal management.
  • Yes, the LT8640SIV#TRPBF is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive applications and is manufactured using a robust process that ensures high reliability. However, it's essential to follow the recommended design and layout guidelines to ensure the device operates within its specified parameters.
  • Troubleshooting issues with the LT8640SIV#TRPBF involves a systematic approach. First, verify that the device is properly powered and that the input and output voltages are within the specified ranges. Check the PCB layout and ensure that it follows the recommended guidelines. Use an oscilloscope to measure the input and output waveforms and look for signs of oscillation or instability. Consult the datasheet and application notes for more detailed troubleshooting guidance.

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LT8640SIV#TRPBF Overview

Use the download button to access the LT8640SIV#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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