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LT8640SIV#PBF - Analog Devices

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

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LT8640SIV#PBF Details

  • Manufacturer Part Number:

    LT8640SIV#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

LT8640SIV#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that the LT8640 can handle is 42V, but it's recommended to keep it below 36V for optimal performance and reliability.
  • To optimize the layout for the LT8640, keep the input and output capacitors close to the IC, use a solid ground plane, and minimize the length of the traces between the IC and the capacitors. Also, ensure that the input and output voltage rails are separated to minimize noise coupling.
  • The recommended input capacitor type for the LT8640 is a low-ESR ceramic capacitor, such as an X5R or X7R dielectric capacitor, with a value of at least 10uF.
  • The LT8640 is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at high temperatures to ensure reliable operation. Consult the datasheet for specific derating guidelines.
  • To troubleshoot issues with the LT8640, start by checking the input voltage, output voltage, and output current. Verify that the input and output capacitors are properly connected and that the layout is correct. Use an oscilloscope to check for noise, ringing, or oscillations on the output. Consult the datasheet and application notes for specific troubleshooting guidelines.

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LT8640SIV#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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