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相关产品
产品信息
UCC28060双相自然交错转换模式 PFC 控制器 |
UCC28060 | UCC28070 | |
UVLO Thresholds On/Off(V) | 12/10 | 10.2/9.2 |
Operating Supply(Max)(V) | 21 | 21 |
Startup Current(mA) | 0.2 | 20 |
Operating Supply Current(mA) | 5 | 20 |
Vref(V) | 6 | 6 |
Vref tol(%) | 2 | 3 |
Duty Cycle(Max)(%) | 100 | 99 |
Practical Operating Frequency(Max)(MHz) | 0.5 | 0.3 |
Pin/Package | 16SOIC | 20SOIC, 20TSSOP |
Rating | Catalog | Catalog |
产品信息
说明
Optimized for high-volume consumer applications, this solution extends the advantages of transition mode—high efficiency with low-cost components—to higher power ratings than previously possible. By utilizing a Natural Interleaving technique, both channels operate as masters (that is, there is no slave channel) synchronized to the same frequency. This approach delivers inherently strong matching, faster responses, and ensures that each channel operates in transition mode.
Complete system-level protections feature input brownout, output over-voltage, open-loop, overload, soft-start, phase-fail detection, and thermal shutdown. The additional FailSafe over-voltage protection (OVP) feature protects against shorts to an intermediate voltage that, if undetected, could lead to catastrophic device failure.