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LT3845MPFE#TRPBF - Analog Devices

Description: High Voltage Synchronous Current Mode Step-Down Controller with Adjustable Operating Frequency

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LT3845MPFE#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT3845MPFE#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 16-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1663) Exposed Pad Variation BC
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3D Models
LT3845MPFE#TRPBF - Analog Devices - 3D model - Small Outline Packages - FE Package 16-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1663) Exposed Pad Variation BC
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LT3845MPFE#TRPBF Details

  • Manufacturer Part Number:

    LT3845MPFE#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1663 (BC)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    3

  • Additional Feature:

    ALSO HAS ADJUSTABLE OUTPUT UPTO 36V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    20 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    330 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LT3845MPFE#TRPBF Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the LT3845MPFE can be found in the datasheet, but it's also important to follow general high-frequency PCB design guidelines, such as keeping the power traces short and wide, using a solid ground plane, and minimizing the loop area of the switching node.
  • To select the right inductor for the LT3845MPFE, consider the maximum current rating, inductance value, and core material. The datasheet provides guidelines for inductor selection, but it's also important to consider the specific application requirements, such as efficiency, size, and cost.
  • The maximum junction temperature of the LT3845MPFE is 150°C, but it's recommended to keep the junction temperature below 125°C for reliable operation and to ensure the device meets its specifications.
  • The LT3845MPFE is rated for operation up to 125°C, but it's not recommended for use in high-temperature environments above 125°C. If you need to operate the device in a high-temperature environment, consider using a heat sink or a thermally-enhanced package.
  • To troubleshoot issues with the LT3845MPFE, start by checking the input voltage, output voltage, and current. Use an oscilloscope to check for switching noise, ringing, and other anomalies. Also, check the PCB layout, component values, and soldering quality. Consult the datasheet and application notes for troubleshooting guidelines.

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LT3845MPFE#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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