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LT3840EUFE#PBF - Analog Devices

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

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LT3840EUFE#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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LT3840EUFE#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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LT3840EUFE#PBF Details

  • Manufacturer Part Number:

    LT3840EUFE#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

  • 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#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that the LT3840EUFE can handle is 42V, but it's recommended to keep it below 40V for reliable operation.
  • To ensure stability, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, use a low-ESR capacitor for the output filter capacitor.
  • The maximum output current that the LT3840EUFE can deliver is 4A, but it's recommended to keep it below 3.5A for reliable operation.
  • The switching frequency of the LT3840EUFE can be adjusted by changing the value of the RT resistor connected to the RT pin. A lower value of RT will result in a higher switching frequency.
  • The SYNC pin on the LT3840EUFE allows the user to synchronize the switching frequency of the converter with an external clock signal, which can be useful in noise-sensitive applications.

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LT3840EUFE#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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Part Image LT3840EUFE#PBF Linear Technology

Switching Controller, Current-mode, 320kHz Switching Freq-Max, PQCC38