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UCC28063
Natural Interleaving transition-mode PFC controller with improved audible noise immunity
Data sheet
A newer version of this product is available
This product continues to be available for existing customers. New designs should consider an alternate product.
UCC28063
- 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
- Fail-safe OVP with dual paths prevents output overvoltage conditions by voltage-sensing failures
- Sensorless current-shaping simplifies board layout and improves efficiency
- 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)
- Inrush-safe current limiting:
- Prevents MOSFET conduction during inrush
- Eliminates reverse recovery events in output rectifiers
- Enables use of low-cost diodes without extensive snubber circuitry
- Improved light-load efficiency
- Fast, smooth transient response
- Expanded system-level protections
- 1A Source/1.8A sink gate drivers
- –40°C to 125°C Operating Temperature Range in a 16-Lead SOIC Package
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.
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 (OVP) feature protects against shorts to an intermediate voltage that, if undetected, could lead to catastrophic device failure. Advanced non-linear gain results in rapid, yet smoother response to line and load transient events. Reduced bias currents improve stand-by power efficiency. Special line-dropout handling avoids significant current disruption and minimizes audible-noise generation.
Technical documentation
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View all 7 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | UCC28063 Natural Interleaving™ Transition-Mode PFC Controller With Improved Audible Noise Immunity datasheet (Rev. C) | PDF | HTML | 30 Jul 2024 |
| Application note | UCC2806x PCB Layout Guideline for PFC | 29 Apr 2019 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| Application note | Applying External Phase Control Circuit for UCC28063 | 27 Oct 2017 | ||
| Technical article | Is PFC possible without input voltage sensing? | PDF | HTML | 14 Sep 2016 | |
| White paper | An Interleaved PFC Preregulator for High-Power Converters | 28 Apr 2015 | ||
| EVM User's guide | Using the UCC28063EVM | 07 Jun 2011 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
UCC28063EVM-723 — Evaluation Module for UCC28063 Natural Interleaving Transition-Mode PFC Controller
The UCC28063EVM-723 (EVM) is a fully assembled and tested circuit for evaluating the UCC28063 Natural Interleaving™ Transition-Mode PFC Controller. The UCC28063EVM-723 is an off line 300W PFC pre-regulator that runs of a universal line input of 85V to 265V RMS and provides a regulated 390V output. (...)
User guide: PDF
Reference designs
PMP11282 — High Efficiency 410W AC/DC Power Supply Reference Design
PMP11282 is a high-efficiency AC/DC power supply reference design with universal AC input and 24V/17A output. Interleaved transition mode PFC and LLC series resonant converter is applied for 24V/17A main power. A PSR Flyback with MOSFET integrated controller is applied as the auxiliary supply. (...)
Reference designs
PMP10948 — High Efficiency, High Power Factor 1300W AC/DC Power Supply Reference Design
PMP10948 is a high-efficiency, high power factor AC/DC power supply reference design using UCC28063 interleaved transition-mode PFC controllers. There are two PFC stages in this design, 750W output power generates from one of the PFC stages and 550W output power generates from the other PFC stage. (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOIC (D) | 16 | Ultra Librarian |
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