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UCC28512DW - Texas Instruments

Description: Advanced PFC/PWM Combination Controllers

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UCC28512DW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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UCC28512DW - Texas Instruments  - 3D model - Small Outline Packages - DW0020A
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UCC28512DW Details

  • Manufacturer Part Number:

    UCC28512DW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Mainland China, Malaysia, Philippines, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    PEAK CURRENT MODE ALSO AVAILABLE

  • Analog IC - Other Type:

    POWER FACTOR CONTROLLER WITH POST REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    10.8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.825 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.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):

    4 mA

  • Supply Voltage-Max (Vsup):

    18 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    7.49 mm

UCC28512DW Frequently Asked Questions (FAQs)

  • A good PCB layout for the UCC28512DW involves keeping the input and output stages separate, using a star-ground configuration, and placing the input filter components close to the IC. Additionally, using a solid ground plane and minimizing trace lengths can help reduce EMI.
  • When selecting a transformer for the UCC28512DW, consider the output power, voltage, and current requirements. Choose a transformer with a suitable turns ratio, core material, and winding configuration to ensure efficient energy transfer and minimize losses.
  • The UCC28512DW is rated for operation up to 125°C ambient temperature, but it's essential to consider the thermal design and heat sinking to ensure reliable operation within the specified temperature range.
  • While the UCC28512DW is primarily designed for isolated topologies, it can be used in non-isolated configurations with proper design considerations. However, this may require additional components and careful layout to ensure safe operation.
  • The UCC28512DW has a built-in overcurrent protection feature. To implement it, connect a sense resistor in series with the output, and use the OC pin to monitor the current. The IC will shut down if the current exceeds the programmed threshold.

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UCC28512DW 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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