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Home » NEWEST Products » New by Manufacturer » Texas Instruments » TI UCC28063 PFC Controller
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Texas Instruments UCC28063 PFC Controller

Texas Instruments UCC28063 PFC Controller

Texas Instruments UCC28063 Natural Interleaving™ Transition-Mode PFC Controller with Improved Audible Noise Immunity is optimized for consumer applications concerned with audible noise elimination. This TI solution extends the advantages of transition mode - high efficiency with low-cost components - to higher power ratings than previously possible. By utilizing a Natural Interleaving technique, both channels of the TI UCC28063 operate as masters synchronized to the same frequency. This approach delivers inherently strong matching and faster responses and ensures that each channel operates in transition mode. Expanded system level protections feature input brownout and dropout recovery, output over-voltage, open-loop, overload, soft-start, phase-fail detection, and thermal shutdown. The additional FailSafe over-voltage protection feature protects against shorts to an intermediate voltage that, if undetected, could lead to catastrophic device failure.

Natural Interleaving Features
  • Input Filter and Output Capacitor Ripple-Current Cancellation
    • Reduced current ripple for higher system reliability and smaller bulk capacitor
    • Reduced EMI filter size
  • Phase Management Capability
  • FailSafe OVP with Dual Paths Prevents Output Over-Voltage Conditions by Voltage-Sensing Failures
  • Sensorless Current-Shaping Simplifies Board Layout and Improves Efficiency
System Features
  • Advanced Audible Noise Performance
  • Non-linear Error-Amplifier Gain
  • Soft Recovery on Overvoltage
  • Integrated Brownout and Dropout Handling
  • Reduced Bias Currents
  • Improved Efficiency and Design Flexibility over Traditional Single-Phase Continuous Conduction Mode (CCM)
  • 100W to 800W Power Supplies
  • Gaming
  • D-to-A Set-Top Boxes
  • Adapters
  • LCD, Plasma and DLP™ TVs
  • Home Audio Systems
Functional Diagram
Functional Diagram
Typical Application Diagram
Typical Application Diagram
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  • Texas Instruments
  • Semiconductors|Integrated Circuits|IC-Power Management