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LTC3311SEV#PBF - Analog Devices

Description: 5V, 12.5A Synchronous Step-Down Silent Switcher 2 in 3mm x 3mm LQFN

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PCB Footprints
LTC3311SEV#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - LGA Package 18-Lead (3mm × 3mm × 0.94mm) (Reference LTC DWG # 05-08-1548 Rev A)
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3D Models
LTC3311SEV#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - LGA Package 18-Lead (3mm × 3mm × 0.94mm) (Reference LTC DWG # 05-08-1548 Rev A)
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LTC3311SEV#PBF Details

  • Manufacturer Part Number:

    LTC3311SEV#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LQFN-18

  • Pin Count:

    18

  • Manufacturer Package Code:

    05-08-1548

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2020-09-30

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.25 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    S-PQCC-N18

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    18

  • Operating Temperature-Max:

    125 °C

  • Output Current-Max:

    12.5 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    0.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HQCCN

  • Package Equivalence Code:

    LCC18,.12SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.03 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    5000 kHz

  • Technology:

    CMOS

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    3 mm

LTC3311SEV#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3311SEV 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. Additionally, it's recommended to use a separate power plane for the input and output voltages to reduce noise and EMI.
  • To ensure stability, make sure to follow the recommended component values and layout guidelines in the datasheet. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. It's also important to decouple the input and output pins with ceramic capacitors to reduce noise and oscillation.
  • The LTC3311SEV is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the device's power dissipation. It's recommended to derate the device's power dissipation according to the ambient temperature to ensure reliable operation.
  • Yes, the LTC3311SEV is suitable for high-reliability and automotive applications. It's manufactured using a high-reliability process and is qualified to AEC-Q100 standards. However, it's recommended to consult with Analog Devices' application engineers to ensure the device meets the specific requirements of your application.
  • To troubleshoot issues with the LTC3311SEV, start by checking the input and output voltages, as well as the device's operating frequency. Verify that the component values and layout meet the recommended guidelines in the datasheet. Use an oscilloscope to check for noise and oscillation on the input and output pins. If the issue persists, consult with Analog Devices' application engineers for further assistance.

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LTC3311SEV#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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