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LTC3775IUD#PBF - Analog Devices

Description: Switching Voltage Regulators High Frequency Synchronous Step-Down Voltage Mode DC/DC Controller

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LTC3775IUD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 16-Lead Plastic QFN (3mm × 3mm)_
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LTC3775IUD#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - 16-Lead Plastic QFN (3mm × 3mm)_
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LTC3775IUD#PBF Details

  • Manufacturer Part Number:

    LTC3775IUD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1691

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 30.4V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    30.4 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    575 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3 mm

LTC3775IUD#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LTC3775IUD is 60V, but it's recommended to keep it below 50V for reliable operation.
  • To minimize EMI, it's recommended to keep the high-frequency components (such as the switching node and the input capacitors) close to the IC, and use a solid ground plane to reduce radiation. Additionally, use shielded cables and connectors for the input and output lines.
  • The recommended PCB material is FR4 or equivalent, with a thickness of 1.6mm or 0.062 inches. This provides a good balance between thermal performance and cost.
  • The inductor selection depends on the specific application requirements, such as the input voltage, output voltage, and output current. 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.
  • The thermal derating curve for the LTC3775IUD is not explicitly provided in the datasheet, but it can be estimated based on the junction-to-case thermal resistance (RθJC) and the maximum junction temperature (Tj). As a rough estimate, the output current can be derated by 1% for every 1°C increase in ambient temperature above 25°C.

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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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