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LTC3873ETS8#TRMPBF - Analog Devices

Description: Boost, Flyback, SEPIC Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC,8.4V ~ 60V -40°C ~ 85°C (TA) TSOT-23-8

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LTC3873ETS8#TRMPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3873ETS8#TRMPBF - Analog Devices PCB footprint - SOT23 (8-Pin) - SOT23 (8-Pin) - TS8 Package 8-Lead Plastic TSOT-23
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LTC3873ETS8#TRMPBF - Analog Devices - 3D model - SOT23 (8-Pin) - TS8 Package 8-Lead Plastic TSOT-23
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LTC3873ETS8#TRMPBF Details

  • Manufacturer Part Number:

    LTC3873ETS8#TRMPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    1 MM HEIGHT, PLASTIC, MO-193, TSOT-23, 8 PIN

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1637

  • Country Of Origin:

    Malaysia

  • 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:

    9.5 V

  • Input Voltage-Min:

    4.4 V

  • Input Voltage-Nom:

    9 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 Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    0.4 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    240 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • 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:

    1.625 mm

LTC3873ETS8#TRMPBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the VIN pin is 28V, but it's recommended to keep it below 24V for reliable operation.
  • The compensation network can be optimized by following the guidelines in the datasheet and using the provided equations to calculate the values of the compensation components. Additionally, the ADIsimPower tool can be used to simulate and optimize the compensation network.
  • The SYNC/MODE pin is used to synchronize the switching frequency of multiple LTC3873 devices or to select between forced continuous conduction mode (FCCM) and discontinuous conduction mode (DCM). A logic high on this pin enables FCCM, while a logic low enables DCM. Tying this pin to a clock signal synchronizes the switching frequency.
  • To ensure stability, it's recommended to use a soft-start circuit to slowly ramp up the output voltage during startup, and to use a voltage supervisor or reset circuit to monitor the output voltage and prevent the system from malfunctioning during shutdown.
  • The maximum output current that can be delivered by the LTC3873 is 3A, but this can be limited by the thermal performance of the package and the PCB design. It's recommended to follow the thermal design guidelines in the datasheet to ensure reliable operation.

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LTC3873ETS8#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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