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LTC3374IUHF#PBF - Analog Devices

Description: 8-Channel Independent Step-Down DC/DCs n Master-Slave Configurable for Up to 4A per Output Rail with a Single Inductor n Independent VIN Supplies for Each DC/DC (2.25V to 5.5V) n All DC/DCs Have 0.8V to VIN Output Range n Precision Enable Pin Thresholds for Autonomous Sequencing n 1MHz to 3MHz Programmable/Synchronizable Oscillator Frequency (2MHz Default) n Die Temperature Monitor Output n Thermally-Enhanced 38-Lead QFN (5mm × 7mm) and TSSOP Packages

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PCB Footprints
LTC3374IUHF#PBF - 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
LTC3374IUHF#PBF - 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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LTC3374IUHF#PBF Details

  • Manufacturer Part Number:

    LTC3374IUHF#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:

    05-08-1701

  • 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:

    125 °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

  • Temperature Grade:

    AUTOMOTIVE

  • 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

LTC3374IUHF#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LTC3374IUHF 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 operating temperature range for the LTC3374IUHF is -40°C to 125°C, but it can operate up to 150°C with derated performance.
  • Select an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value (e.g., 1-10μH). Consider the inductor's physical size, core material, and operating frequency when making your selection.
  • The maximum output current that the LTC3374IUHF can deliver is 4A per channel, but it's recommended to keep it below 3.5A per channel for reliable operation.

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LTC3374IUHF#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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