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Texas Instruments UCC28730D | Demoboard PMP10927
24V/12W Off-Line DCM Flyback Converter Optimized for Zero-Power at No-Load
Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Switching frequency | 0.2-50 kHz |
| Output 1 | 24 V / 0.5 A |
Description
This design features the UCC28730 flyback controller in conjunction with the UCC24650 Wake-Up monitor to provide CV, CC regulated output with ultra-low stand-by power that exceeds Level VI and CoC Tier 2 specifications for average efficiency and 10% load efficiency. Wake-up signal detection provides fast transient response to large load steps.
Features
Remark-- BOM and test result pdf is added with schematic diagram pdf
No-Load Stand-By Power Consumption less than 5 mW (“Zero-Power”)Wake-Up Detection for Fast Dynamic ResponsePrimary Side Regulation Eliminates Opto-CouplerAverage Efficiency and 10% efficiency exceeds Level VI and CoC Tier 2 specifications, effective 2016Resonant Ring Valley Switching Operation for Highest Overall EfficiencyThis circuit design includes tested data for efficiency and transient response along with key waveforms.