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LTC3351IUFF#TRPBF - Analog Devices

Description: Supercapacitor Backup Controller PMIC 44-QFN (4x7) , 4.5V ~ 35V ,-40°C ~ 125°C (TJ)

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LTC3351IUFF#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3351IUFF#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - LTC3351EUFF#PBF-96
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LTC3351IUFF#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - LTC3351EUFF#PBF-96
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LTC3351IUFF#TRPBF Details

  • Manufacturer Part Number:

    LTC3351IUFF#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-44

  • Pin Count:

    44

  • Manufacturer Package Code:

    05-08-1500

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Input Voltage-Max:

    35 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N44

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC44,.16X.28,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    510 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC3351IUFF#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3351IUFF#TRPBF involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • The input and output capacitors should be selected based on their ESR, capacitance, and voltage rating. A low-ESR capacitor with a capacitance value of 10uF to 22uF is recommended for the input, while a low-ESR capacitor with a capacitance value of 22uF to 47uF is recommended for the output. The voltage rating should be at least 1.5 times the maximum input voltage.
  • The maximum ambient temperature for reliable operation of the LTC3351IUFF#TRPBF is 125°C. However, the device can operate up to 150°C with derating. It's essential to ensure good thermal design and heat sinking to maintain a safe operating temperature.
  • To troubleshoot issues with the LTC3351IUFF#TRPBF, start by checking the input voltage, output voltage, and current. Verify that the input and output capacitors are properly connected and meet the recommended specifications. Check for any signs of overheating, and ensure that the device is properly soldered and connected to the PCB. Use an oscilloscope to check for any unusual voltage or current waveforms.
  • Yes, the LTC3351IUFF#TRPBF is suitable for high-reliability applications. It's manufactured using a robust process, and Analog Devices Inc provides a range of reliability data, including MTBF and FIT rates. However, it's essential to follow proper design and manufacturing guidelines to ensure the device operates within its specified parameters.

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LTC3351IUFF#TRPBF 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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