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LTC3621HMS8E-23.3#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC3621HMS8E-23.3#PBF - Synchronous Buck (Step Down) Switching Regulator, Fixed, 2.7V-17Vin, 3.3V/1A out, 2.25 MHz, MSOP-8

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LTC3621HMS8E-23.3#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3621HMS8E-23.3#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS8E Package 8-Lead Plastic MSOP, Exposed Die Pad
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LTC3621HMS8E-23.3#PBF - Analog Devices - 3D model - Small Outline Packages - MS8E Package 8-Lead Plastic MSOP, Exposed Die Pad
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LTC3621HMS8E-23.3#PBF Details

  • Manufacturer Part Number:

    LTC3621HMS8E-23.3#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1662

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE SKIP MODE

  • Input Voltage-Max:

    17 V

  • Input Voltage-Min:

    2.7 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    3.35 V

  • Output Voltage-Min:

    3.25 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2600 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

LTC3621HMS8E-23.3#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3621HMS8E-23.3#PBF involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce EMI and noise. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure the LTC3621HMS8E-23.3#PBF operates within its SOA, monitor the input voltage, output voltage, and output current. Make sure the device is not subjected to excessive voltage, current, or power dissipation. Also, ensure the device is properly cooled, and the thermal pad is connected to a solid ground plane.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor. The capacitor should be rated for the maximum input voltage and should be placed as close to the device as possible.
  • To troubleshoot issues with the LTC3621HMS8E-23.3#PBF, start by checking the input voltage, output voltage, and output current. Verify that the device is properly configured and that the input and output capacitors are properly sized and connected. Check for signs of overheating, such as excessive temperature rise or thermal shutdown. Use an oscilloscope to check for noise or oscillations on the output voltage.
  • The LTC3621HMS8E-23.3#PBF is rated for operation up to 125°C. However, the device's performance and reliability may be affected at high temperatures. Ensure the device is properly cooled, and the thermal pad is connected to a solid ground plane. Derate the output current and power dissipation according to the device's thermal derating curve.

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LTC3621HMS8E-23.3#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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