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UC3854BDWG4 - Texas Instruments

Description: Power Factor Correction - PFC Enhanced High Power Factor Preregulator

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UC3854BDWG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0016A
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UC3854BDWG4 - Texas Instruments  - 3D model - Small Outline Packages - DW0016A
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UC3854BDWG4 Details

  • Manufacturer Part Number:

    UC3854BDWG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1992-12-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    POWER FACTOR CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    10 V

  • Input Voltage-Nom:

    18 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    7.6 V

  • Output Voltage-Min:

    7.4 V

  • Output Voltage-Nom:

    7.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max (Isup):

    12 mA

  • Supply Voltage-Max (Vsup):

    20 V

  • Supply Voltage-Nom (Vsup):

    18 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    200 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

UC3854BDWG4 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in their application note SLUA121, which includes guidelines for component placement, trace routing, and grounding to minimize EMI and noise.
  • The UC3854BDWG4 datasheet provides guidelines for transformer selection, including the recommended turns ratio, inductance, and core material. Additionally, Texas Instruments offers a transformer selection tool on their website to help engineers choose the right transformer for their design.
  • The UC3854BDWG4 is rated for operation from -40°C to 85°C, but the maximum ambient temperature range may be limited by the specific application and the thermal design of the system. Engineers should consult the datasheet and perform thermal analysis to ensure the device operates within its recommended temperature range.
  • Yes, the UC3854BDWG4 is designed to provide high isolation between the input and output, with a typical isolation voltage of 1500 Vrms. However, engineers should ensure that their design meets the necessary safety and regulatory requirements for isolation, such as IEC 60601-1 or UL 60950-1.
  • Texas Instruments provides a troubleshooting guide in their application note SLUA143, which covers common issues and their solutions. Engineers can also consult the UC3854BDWG4 datasheet and application notes for guidance on troubleshooting and debugging their design.

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UC3854BDWG4 Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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