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LTC3374HUHF#TRPBF - Analog Devices

Description: 8-Channel Parallelable 1A Buck DC/DCs

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PCB Footprints
LTC3374HUHF#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UHF Package 38-Lead Plastic QFN (5mm × 7mm) (Reference LTC DWG # 05-08-1701 Rev C)
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3D Models
LTC3374HUHF#TRPBF - Analog Devices  - 3D model - Quad Flat No-Lead - UHF Package 38-Lead Plastic QFN (5mm × 7mm) (Reference LTC DWG # 05-08-1701 Rev C)
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LTC3374HUHF#TRPBF Details

  • Manufacturer Part Number:

    LTC3374HUHF#TRPBF

  • 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:

    05-08-1701

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 5.5V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.7 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    R-PQCC-N38

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.7 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.275 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2250 kHz

  • Technology:

    CMOS

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

LTC3374HUHF#TRPBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LTC3374HUHF is 36V, but it's recommended to keep it below 34V for reliable operation.
  • To minimize EMI, keep the input and output capacitors close to the IC, use a solid ground plane, and keep the high-frequency switching nodes (e.g., SW and VIN) away from sensitive analog nodes. Also, use a shielded inductor and orient it to minimize radiation.
  • The recommended inductor value is between 1.5μH and 3.3μH, and a shielded inductor with a low DCR (e.g., 1.5mΩ) is recommended. The inductor type should be a high-frequency, low-loss inductor with a high saturation current rating.
  • The output voltage of the LTC3374HUHF is set by the resistive divider network connected to the FB pin. The output voltage is calculated as VOUT = 0.8V x (R1 + R2) / R2, where R1 and R2 are the resistors in the divider network.
  • The maximum output current that the LTC3374HUHF can deliver is 4A, but it's recommended to derate the output current based on the ambient temperature and the input voltage to ensure reliable operation.

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LTC3374HUHF#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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