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AC/DC & DC/DC controllers (external FET)

UCC28061

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Natürlicher Interleaving-Übergangsmodus-PFC-Controller mit akustischer Rauschunempfindlichkeit

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UCC28065 AKTIV Natürlicher Interleaving™-Übergangsmodus-PFC-Controller mit Hochfrequenzschaltung The UCC28065 is a high-frequency PFC which can reduce the inductor volume by up to 50%

UCC28061

AKTIV
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Produktdetails

Vin (max) (V) 21 Operating temperature range (°C) -40 to 125 Control mode TM Topology Boost Rating Catalog Duty cycle (max) (%) 99
Vin (max) (V) 21 Operating temperature range (°C) -40 to 125 Control mode TM Topology Boost Rating Catalog Duty cycle (max) (%) 99
SOIC (D) 16 59.4 mm² 9.9 x 6
  • NATURAL INTERLEAVING FEATURES
    • Easy Phase Management Facilitates Compliance to Light-Load Efficient Standards
    • FailSafe OVP with Dual Paths Prevents Output Over-Voltage Conditions Caused by Voltage-Sensing Failures
    • Sensorless Current Shaping Simplifies Board Layout and Improves Efficiency
    • Inrush Safe Current Limiting:
      • Prevents MOSFET conduction during inrush
      • Eliminates reverse recovery events in output rectifiers
  • SYSTEM FEATURES
    • Improved Audible Noise Performance
    • Soft Start on Overvoltage
    • Integrated Brownout
    • Improved Efficiency and Design Flexibility over Traditional, Single-Phase Continuous Conduction Mode (CCM)
    • Input Filter and Output Capacitor Current Cancellation:
      • Reduced current ripple for higher system reliability and smaller bulk capacitor
      • Reduced EMI filter size
    • Enables Use of Low-Cost Diodes without Extensive Snubber Circuitry
    • Improved Light-Load Efficiency
    • Improved Transient Response
    • Complete System-Level Protection
    • 1-A Source/1.8-A Sink Gate Drivers
  • APPLICATIONS
    • 100-W to 800-W Power Supplies
    • Gaming
    • D to A Set Top Boxes
    • Adapters
    • LCD, Plasma and DLP TVs
    • Home Audio Systems

DLP is a trademark of Texas Instruments.
Natural Interleaving is a trademark of Texas Instuments.
  • NATURAL INTERLEAVING FEATURES
    • Easy Phase Management Facilitates Compliance to Light-Load Efficient Standards
    • FailSafe OVP with Dual Paths Prevents Output Over-Voltage Conditions Caused by Voltage-Sensing Failures
    • Sensorless Current Shaping Simplifies Board Layout and Improves Efficiency
    • Inrush Safe Current Limiting:
      • Prevents MOSFET conduction during inrush
      • Eliminates reverse recovery events in output rectifiers
  • SYSTEM FEATURES
    • Improved Audible Noise Performance
    • Soft Start on Overvoltage
    • Integrated Brownout
    • Improved Efficiency and Design Flexibility over Traditional, Single-Phase Continuous Conduction Mode (CCM)
    • Input Filter and Output Capacitor Current Cancellation:
      • Reduced current ripple for higher system reliability and smaller bulk capacitor
      • Reduced EMI filter size
    • Enables Use of Low-Cost Diodes without Extensive Snubber Circuitry
    • Improved Light-Load Efficiency
    • Improved Transient Response
    • Complete System-Level Protection
    • 1-A Source/1.8-A Sink Gate Drivers
  • APPLICATIONS
    • 100-W to 800-W Power Supplies
    • Gaming
    • D to A Set Top Boxes
    • Adapters
    • LCD, Plasma and DLP TVs
    • Home Audio Systems

DLP is a trademark of Texas Instruments.
Natural Interleaving is a trademark of Texas Instuments.

Optimized for consumer applications concerned with audible noise elimination, this 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 operate as masters (that is, there is no slave channel) synchronized to the same frequency. This approach delivers inherently strong matching, faster responses, and ensures that each channel operates in transition mode.

Complete system-level protections feature input brownout, output over-voltage, open-loop, overload, soft-start, phase-fail detection, and thermal shutdown. The additional FailSafe over-voltage protection (OVP) feature protects against shorts to an intermediate voltage that, if undetected, could lead to catastrophic device failure.

Optimized for consumer applications concerned with audible noise elimination, this 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 operate as masters (that is, there is no slave channel) synchronized to the same frequency. This approach delivers inherently strong matching, faster responses, and ensures that each channel operates in transition mode.

Complete system-level protections feature input brownout, output over-voltage, open-loop, overload, soft-start, phase-fail detection, and thermal shutdown. The additional FailSafe over-voltage protection (OVP) feature protects against shorts to an intermediate voltage that, if undetected, could lead to catastrophic device failure.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet Natural Interleaving Transition-Mode PFC Controller for 80 PLUS and ENERGY STAR datasheet (Rev. A) 29 Apr 2009
Application note UCC2806x PCB Layout Guideline for PFC 29 Apr 2019
White paper An Interleaved PFC Preregulator for High-Power Converters 28 Apr 2015
User guide A 600-W Input, Isolated PFC Power Supply for AVR Amplifiers. (Rev. C) 20 Sep 2012
Application note Using External Soft Start Circuit for UCC2806x 23 Mär 2011
Application note A 300-W, Universal Input, Isolated PFC Power Supply for LCD TV Applications (Rev. B) 19 Mär 2009
User guide UCC28061 300W PFC Pre-Regulator Evaluation Module 06 Mai 2008

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

UCC28061EVM — UCC28061 300 W, PFC-Vorregler – Evaluierungsmodul

The UCC28061 is a dual-phase, transition-mode Power Factor Correction (PFC) pre-regulator. The UCC28061EVM is an evaluation module (EVM) with a 390-V, 300-W, dc output that operates from a universal input of 85 VRMS to 265 VRMS and provides power-factor correction.The pre-regulator uses the (...)

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Bestellen & Qualität

Beinhaltete Information:
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  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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