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UCC28730-Q1隔离式反激电源控制器无需使用光耦合器即可提供恒压(CV)和恒流(CC)输出调节。最小开关频率30Hz可促进实现低于5mW的无负载功耗。此器件处理来自一次侧电源开关和辅助反激式绕组的信息,以对输出电压和电流进行精确控制。
其内部的700V启动开关,动态可控的工作状态和定制的调制方式支持超低待机功耗,而不会影响启动时间或输出瞬态响应.UCC28730-Q1中的控制算法允许工作效率达到或超过适用标准。带有谷值开关的断续传导模式(DCM)降低了开关损耗。调制开关频率和一次侧峰值电流振幅(FM和AM)可在整个负载和线路范围内保持高转换效率。
所有商标均为其各自所有者的财产。
| Control Method |
| Duty Cycle (Max) (%) |
| Frequency (Max) (kHz) |
| UVLO Thresholds On/Off (V) |
| Features |
| Operating Temperature Range (C) |
| Package Group |
| Rating |
| Package Size: mm2:W x L (PKG) |
| UCC28730-Q1 | UCC28700-Q1 |
|---|---|
| Current | Current |
| 99 | 99 |
| 83 | 132 |
| 21/7 | 21/8 |
| PSR HV Start-up Low Power Adjustable CBC CV/CC Control DCM Light Load Efficiency Soft Switching Current Limiting Thermal Shutdown Green Mode Input Line Monitor Leading Edge Blanking Soft Start IoT Compatible Power Delivery Compatible | PSR Adjustable CBC CV/CC Control DCM Low Power Light Load Efficiency Error Amplifier Soft Switching Current Limiting Thermal Shutdown Green Mode Input Line Monitor Leading Edge Blanking Automotive |
| -40 to 125 | -40 to 125 |
| SOIC | SOT-23 |
| Automotive | Automotive |
| 7SOIC: 29 mm2: 6 x 4.9(SOIC) | 6SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) |