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UCC28056是一款PFC控制器。该控制器在确保正弦线路输入电流失真较低并接近1功率因数的前提下,可以直接驱动输出高达300W功率。该器件包含突发模式运行,以进一步提高轻负载性能,从而使系统无需关闭PFC即可符合颇具挑战性的能效标准.UCC28056可以驱动高达300W的PFC功率级,从而确保正弦线路输入电流失真较低,与单位功率因数相近,同时使用PFC保持“始终开启”。在与控制器UCC256301配合使用时,该6引脚器件无需辅助反激式转换器(系统中通常需要该转换器以实现良好的待机性能),同时在230Vac下可实现低于80mW的功耗。该器件还能够在将外部组件数量降至最低的同时实现即时开启。
所有商标均为其各自所有者的财产。
Device Type |
Control Method |
UVLO Thresholds On/Off (V) |
Operating Supply (Max) (V) |
Operating Supply Current (mA) |
Pin/Package |
Operating Temperature Range (C) |
Rating |
Features |
UCC28056 | UCC28050 | UCC28051 | UCC38050 | UCC38051 |
---|---|---|---|---|
Single-phase PFC | Single-phase PFC | Single-phase PFC | Single-phase PFC | Single-phase PFC |
TM | TM | TM | TM | TM |
10.65/8.85 | 15.8/9.7 | 12.5/9.7 | 15.8/9.7 | 12.5/9.7 |
34 | 18 | 18 | 18 | 18 |
2.2 | 4 | 4 | 4 | 4 |
6SOT-23 | 8PDIP 8SOIC | 8PDIP 8SOIC | 8PDIP 8SOIC | 8SOIC |
-40 to 125 | -40 to 85 | -40 to 105 | 0 to 70 | 0 to 70 |
Catalog | Catalog | Catalog | Catalog | Catalog |
< 150W Applications Audible noise minimization circuitry Low Power OVP Soft Start Transition Mode Control | OVP Transition Mode Control | OVP Transition Mode Control | OVP Transition Mode Control | OVP Transition Mode Control |