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LTC3311SEV#TRMPBF - Analog Devices

Description: 5V, 12.5A Synchronous Step-Down Silent Switcher 2 in 3mm x 3mm LQFN , surface mount, 5MHz, 1µA, 5 mA, –40 °C to +125 °C

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LTC3311SEV#TRMPBF - Analog Devices PCB footprint - Other - Other -  LGA Package 18-Lead (3mm × 3mm × 0.94mm)_2026
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3D Models
LTC3311SEV#TRMPBF - Analog Devices  - 3D model - Other -  LGA Package 18-Lead (3mm × 3mm × 0.94mm)_2026
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LTC3311SEV#TRMPBF Details

  • Manufacturer Part Number:

    LTC3311SEV#TRMPBF

  • 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

  • Packing Method:

    TR

  • 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#TRMPBF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the high-current paths.
  • To ensure stability, use a minimum output capacitance of 10uF, and ensure that the output capacitor's ESR is less than 1 ohm. Also, avoid using ceramic capacitors with high ESL.
  • The maximum ambient temperature for the LTC3311SEV is 85°C, but it can be derated to 70°C for high-reliability applications.
  • Yes, the LTC3311SEV is designed to withstand high-vibration environments. However, ensure that the PCB is properly secured and the components are properly soldered to prevent mechanical stress.
  • Use an oscilloscope to check the input and output waveforms, and verify that the input voltage is within the recommended range. Also, check for any signs of overheating, and ensure that the PCB layout is correct.

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LTC3311SEV#TRMPBF 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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