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LTC3815IUFE#PBF - Analog Devices

Description: 6A Monolithic Synchronous DC/DC Step-Down Converter with Digital Power System Management

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LTC3815IUFE#PBF - Analog Devices - PCB symbol
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LTC3815IUFE#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFE (38-Lead QFN 4x6) LTC DWG # 05-08-1750 Rev B
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LTC3815IUFE#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFE (38-Lead QFN 4x6) LTC DWG # 05-08-1750 Rev B
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LTC3815IUFE#PBF Details

  • Manufacturer Part Number:

    LTC3815IUFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1750

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OUTPUT VOLTAGE RANGE FROM 0.4 VOLT TO 3.96 VOLT

  • 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:

    R-PQCC-N38

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6 A

  • Output Voltage-Max:

    3.96 V

  • Output Voltage-Min:

    0.4 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC38,.16X.24,16

  • 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

  • Switching Frequency-Max:

    3000 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

LTC3815IUFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3815IUFE involves keeping the high-current paths short and wide, using multiple vias to connect the GND pins to a solid ground plane, and placing the input capacitors close to the VIN pins. A 4-layer board with a solid ground plane is recommended. Refer to the application note AN136 for more details.
  • To select the right inductor for the LTC3815IUFE, consider the maximum output current, switching frequency, and output voltage ripple requirements. A good starting point is to use an inductor with a saturation current rating of at least 1.5 times the maximum output current, and a DC resistance (DCR) of less than 100mΩ. Refer to the application note AN140 for more details.
  • The maximum junction temperature for the LTC3815IUFE is 125°C. However, it's recommended to keep the junction temperature below 100°C for reliable operation and to ensure the device meets its specifications.
  • Yes, the LTC3815IUFE can operate in high-temperature environments, but the device's performance and reliability may be affected. It's recommended to derate the output current and input voltage according to the temperature derating curves provided in the datasheet.
  • To troubleshoot the LTC3815IUFE, start by checking the input voltage, output voltage, and output current. Verify that the input voltage is within the recommended range, and that the output voltage is within the expected range. Check for any signs of overheating, and verify that the device is properly soldered and connected. Refer to the application note AN141 for more troubleshooting tips.

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LTC3815IUFE#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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