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LTC3872ETS8-1#TRMPBF - Analog Devices

Description: No RSENSE Current Mode Boost DC/DC Controller

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LTC3872ETS8-1#TRMPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3872ETS8-1#TRMPBF - Analog Devices PCB footprint - SOT23 (8-Pin) - SOT23 (8-Pin) - TS8 Package 8-Lead Plastic TSOT-23
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3D Models
LTC3872ETS8-1#TRMPBF - Analog Devices - 3D model - SOT23 (8-Pin) - TS8 Package 8-Lead Plastic TSOT-23
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LTC3872ETS8-1#TRMPBF Details

  • Manufacturer Part Number:

    LTC3872ETS8-1#TRMPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSOT-23, 8 PIN

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1637

  • 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:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    9.8 V

  • Input Voltage-Min:

    2.75 V

  • Input Voltage-Nom:

    4.2 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Output Voltage-Max:

    60 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VSSOP

  • Package Equivalence Code:

    TSSOP8,.1

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    0.4 mA

  • Supply Voltage-Nom (Vsup):

    4.2 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    650 kHz

  • Technology:

    CMOS

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    1.625 mm

LTC3872ETS8-1#TRMPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3872 involves keeping the high-frequency switching nodes (e.g., SW, VIN, and VOUT) away from sensitive analog nodes, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • When selecting an inductor for the LTC3872, consider the inductor's saturation current, DC resistance, and core material. A good starting point is to choose an inductor with a saturation current rating of at least 1.5 times the maximum output current, a DC resistance of less than 1 ohm, and a core material with low core loss (e.g., ferrite or powdered iron).
  • The LTC3872 is rated for operation from -40°C to 125°C ambient temperature range. However, the device's performance and reliability may degrade at extreme temperatures. It's essential to ensure proper thermal management and heat sinking to maintain a safe operating temperature.
  • Yes, the LTC3872 is suitable for high-reliability and automotive applications. It's built with high-reliability materials and manufacturing processes, and it's qualified to meet the requirements of the Automotive Electronics Council (AEC) Q100 standard. However, it's essential to follow proper design and testing procedures to ensure the device meets the specific requirements of your application.
  • To troubleshoot issues with the LTC3872, start by verifying the PCB layout and component selection. Check for proper decoupling, filtering, and grounding. Use an oscilloscope to measure the switching waveforms and output voltage ripple. Consult the datasheet and application notes for guidance on troubleshooting common issues, and consider seeking support from Analog Devices' technical support team if needed.

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LTC3872ETS8-1#TRMPBF 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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