ClassEgg®
High-Power boost PFC + LLC Resonant AC/DC Converter
Best for AC/DC > 500W
ClassEgg® is the EcoVoltas architecture for high-power applications that require Power Factor Correction (PFC).
ClassEgg is a proprietary Zero Voltage Switching boost PFC + resonant LLC architecture that has been designed to offer dual regulated outputs and the best efficiency over the entire span of loads, offering a total peak efficiency of >95%, high power density and reduced BOM.
ClassEgg is best suited for high-efficiency PSUs for home appliances, TV panels, servers, computers, and a wide range of applications in consumer, industrial and appliance domains.
Key features
- High Efficiency PFC and Half-Bridge Resonant LLC Combo Controller
- Multi-mode operation for an extremely flat efficiency curve over the entire operating range
- Optimized low power mode for enhancing no-load performance and standby power consumption
- Digital PFC without auxiliary network compensation
- Programmable dual output
- Continuous Conduction mode (CCM) with active power factor correction
- Frequency Jittering for Minimized EMI Signature
- Customizable Brownout Protection
- Customizable Overpower protection
- Integrated Over Temp Protection
- Over Voltage and Over Current Protections (OVP, OCP)
Typical applications
Best suited for high-power AC/DC power converters with PFC
Available configurations
Controllers
EPIC2ACC01
Integrated Boost PFC + LLC Combo controller
- Enables total peak efficiency > 95%
- Efficiency of the boost PFC > 98%
- Efficiency of the LLC > 97%
- QFN40
- 6mm x 6mm
- 40 pins
Reference Designs
320W Power supply unit
ERD00688
Features
- Boost PFC + Synchronous LLC
- Dual well-regulated output synchronous rectifier
- Peak efficiency 95%