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    • 97. 发明授权
    • System and method for adaptive switching frequency control
    • 自适应开关频率控制的系统和方法
    • US07795851B2
    • 2010-09-14
    • US11102574
    • 2005-04-07
    • Jun YeZhen ZhuShifeng ZhaoLieyi FangZhiliang Chen
    • Jun YeZhen ZhuShifeng ZhaoLieyi FangZhiliang Chen
    • G05F1/575
    • H02M3/156H02M2001/0032H03K3/0231H04Q2213/1308H04Q2213/13098H04Q2213/1332Y02B70/16
    • System and method for providing frequency control to a power converter. The system includes a controller configured to receive a load signal and generate a first control signal. The load signal indicates an output load for a power converter. Additionally, the system includes a signal generator configured to receive the first control signal and generates at least a first output signal. The first output signal is associated with a first signal strength and a first frequency. The first frequency is inversely proportional to a sum of a first time period, a second time period, and a third time period. The first signal strength increases with the time during the first time period, the first signal strength decreases with the time during the second time period, and the first signal strength is constant with respect to the time during the third time period.
    • 向功率转换器提供频率控制的系统和方法。 该系统包括被配置为接收负载信号并产生第一控制信号的控制器。 负载信号表示电源转换器的输出负载。 另外,该系统包括被配置为接收第一控制信号并产生至少第一输出信号的信号发生器。 第一输出信号与第一信号强度和第一频率相关联。 第一频率与第一时间段,第二时间段和第三时间段的和成反比。 第一信号强度随着第一时间段期间的时间增加,第一信号强度随着第二时间段期间的时间而减小,并且第一信号强度相对于第三时间段内的时间是恒定的。