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LT3840EUFE#TRPBF - Analog Devices

Description: Wide Input Range Synchronous Regulator Controller with Accurate Current Limit

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LT3840EUFE#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT3840EUFE#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 38-Lead Plastic QFN (4mm × 6mm)
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LT3840EUFE#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - 38-Lead Plastic QFN (4mm × 6mm)
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LT3840EUFE#TRPBF Details

  • Manufacturer Part Number:

    LT3840EUFE#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:

    05-08-1750

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    BURST MODE

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    2.5 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

  • Output Voltage-Max:

    60 V

  • Output Voltage-Min:

    1.25 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

  • Supply Current-Max (Isup):

    0.03 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    320 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LT3840EUFE#TRPBF Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the LT3840EUFE can be found in the LT3840 demo board manual (DC1661A) or the LT3840 evaluation board manual (DC1661B) available on the Analog Devices website. These manuals provide detailed layout guidelines and Gerber files for reference.
  • To select the right inductor for the LT3840EUFE, consider the following factors: inductance value, DC resistance, saturation current, and core material. The LT3840 datasheet provides guidelines for inductor selection, and the Analog Devices website offers an inductor selection tool to help with the process.
  • The maximum ambient temperature for the LT3840EUFE is 85°C. However, the device can operate up to 125°C junction temperature. It's essential to ensure proper thermal management and heat sinking to maintain a safe operating temperature.
  • Yes, the LT3840EUFE is available in a variety of grades, including the 'H' grade for high-reliability applications and the 'MP' grade for automotive applications. These grades have additional testing and screening to ensure higher reliability and performance.
  • To troubleshoot issues with the LT3840EUFE, start by reviewing the datasheet and application notes for common pitfalls and mistakes. Check the PCB layout, component selection, and soldering quality. Use oscilloscopes and other diagnostic tools to identify the root cause of the issue. Analog Devices also offers technical support and FAQs on their website to help with troubleshooting.

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LT3840EUFE#TRPBF Overview

Use the download button to access the LT3840EUFE#TRPBF schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LT384, or try a keyword search, such as Switching Regulator or Controllers

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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