Mass chip针对高性能双级LED驱动电源要求，开发出全新前级单级恒压+后级恒流模块带PWM调光双级架构，实现PFC>0.95，THD<8，支持全电压输入90~305V，输出电压宽范围，频闪<0.4%，输出过冲电流<3%，整机效率>92%(AC输入230V）；
| 输入（V) | 输入功率 | 输出（V） | 输出电流(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 |
| 输入（V) | 输入功率 | 输出（V） | 输出电流(A) | PFC | THD | 效率 | 调光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% |
后级恒流模块采用数字模拟结合控制芯片，内部集成模拟精准检测电路及数字处理电路，可支持100KHZ PWM调光频率，调光深度<0.1% 调光阶梯<0.1%；
整体电路更精简，整机效率更高，PFC跟THD电气参数更优，频闪处理更彻底（频闪<0.4%），保护功能更完善，后级恒流模块无EMI/EMC干扰，调光深度及效果更好，整体成本更低；
MASS CHIP针对整个架构布局多项发明及新型专利，掌握完整架构专利布局，为客户产品出口保驾护航；
用户评论