Mass chip針對高性能雙級LED驅動電源要求,開發出全新前級單級恒壓+後級恒流模塊帶PWM調光雙級架構,實現PFC>0.95,THD<8,支持全電壓輸入90~305V,輸出電壓寬範圍,頻閃<0.4%,輸出過沖電流<3%,整機效率>92%(AC輸入230V);
輸入(V) | 輸入功率 | 輸出(V) | 輸出電流(A) | PFC | THD | 效率 |
305 | 76.2 | 77.8 | 0.899 | 0.949 | 9.4 | 91.79 |
277 | 76.15 | 77.8 | 0.899 | 0.963 | 7.8 | 91.85 |
265 | 76.03 | 77.8 | 0.899 | 0.969 | 6.9 | 91.99 |
240 | 76.01 | 77.8 | 0.899 | 0.976 | 6.2 | 92.02 |
220 | 76.01 | 77.8 | 0.899 | 0.982 | 5.5 | 92.02 |
200 | 76.08 | 77.9 | 0.899 | 0.986 | 5.1 | 92.05 |
176 | 76.24 | 77.8 | 0.899 | 0.992 | 5.4 | 91.74 |
135 | 77.31 | 77.9 | 0.899 | 0.996 | 5.4 | 90.59 |
120 | 78.04 | 77.9 | 0.899 | 0.997 | 5.4 | 89.74 |
100 | 79.33 | 77.9 | 0.900 | 0.998 | 5.6 | 88.38 |
90 | 80.35 | 78 | 0.900 | 0.998 | 5.5 | 87.37 |
輸入(V) | 輸入功率 | 輸出(V) | 輸出電流(A) | PFC | THD | 效率 | 調光50% |
305 | 39.74 | 77.8 | 0.452 | 0.87 | 15.2 | 88.49% | |
277 | 40.65 | 77.8 | 0.459 | 0.91 | 12.2 | 87.85% | |
265 | 40.55 | 77.8 | 0.459 | 0922 | 11.1 | 88.06% | |
240 | 40.32 | 77.8 | 0.458 | 0.945 | 9.5 | 88.37% | |
220 | 40.16 | 77.8 | 0.458 | 0.959 | 8.5 | 88.73% | |
200 | 39.28 | 77.9 | 0.449 | 0.967 | 7.6 | 89.05% | |
176 | 39.2 | 77.8 | 0.448 | 0.977 | 7.0 | 88.89% | |
135 | 39.23 | 77.9 | 0.448 | 0.992 | 5.4 | 88.96% | |
120 | 39.24 | 77.9 | 0.448 | 0.997 | 5.4 | 88.94% | |
100 | 39.41 | 77.9 | 0.448 | 0.995 | 5.0 | 88.55% | |
90 | 39.55 | 78 | 0.448 | 0.996 | 4.7 | 88.35% |
後級恒流模塊采用數字模擬結合控製芯片,內部集成模擬精準檢測電路及數字處理電路,可支持100KHZ PWM調光頻率,調光深度<0.1% 調光階梯<0.1%;
整體電路更精簡,整機效率更高,PFC跟THD電氣參數更優,頻閃處理更徹底(頻閃<0.4%),保護功能更完善,後級恒流模塊無EMI/EMC幹擾,調光深度及效果更好,整體成本更低;
MASS CHIP針對整個架構布局多項發明及新型專利,掌握完整架構專利布局,為客戶產品出口保駕護航;
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