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LT8653SIV#WPBF - Analog Devices

Description: Dual Channel 2A, 42V,?Synchronous Step-Down Silent Switcher 2?with 6.2?A Quiescent Current , 42V , –40 to 125°C

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LT8653SIV#WPBF - Analog Devices - PCB symbol
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PCB Footprints
LT8653SIV#WPBF - Analog Devices PCB footprint - Other - Other - LQFN Package 20-Lead (4mm × 3mm × 0.94mm)_2026-1.15
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LT8653SIV#WPBF - Analog Devices - 3D model - Other - LQFN Package 20-Lead (4mm × 3mm × 0.94mm)_2026-1.15
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LT8653SIV#WPBF Details

  • Manufacturer Part Number:

    LT8653SIV#WPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LQFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1524

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2019-11-08

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    42 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    6 V

  • JESD-30 Code:

    S-XQCC-N20

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2 A

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.03 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    3000 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:

    3 mm

LT8653SIV#WPBF Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the LT8653SIV#WPBF. Analog Devices recommends a 4-layer board with a solid ground plane, and to keep the input and output capacitors close to the IC. Additionally, the feedback resistors should be placed close to the IC and the output voltage sense lines should be routed away from the switching node.
  • To ensure the stability of the output voltage, it's essential to choose the right output capacitor. A low-ESR capacitor with a value between 10uF to 22uF is recommended. Additionally, the output voltage sense lines should be connected directly to the output capacitor, and the feedback resistors should be chosen to ensure a stable gain margin.
  • The LT8653SIV#WPBF is rated for operation up to 125°C junction temperature. However, for reliable operation, it's recommended to keep the ambient temperature below 105°C. Above this temperature, the device's reliability and performance may be compromised.
  • While ceramic capacitors can be used for the input capacitor, they may not be the best choice due to their high ESR and ESL. A low-ESR electrolytic or film capacitor is recommended for the input capacitor to ensure stable operation and minimize voltage ripple.
  • The maximum output current of the LT8653SIV#WPBF depends on the input voltage, output voltage, and the device's thermal performance. A good rule of thumb is to use the device's thermal derating curve to determine the maximum output current for a given ambient temperature and input voltage.

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LT8653SIV#WPBF 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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