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    • 19. 发明公开
    • 입력 전력 연결 시간이 사이클 스킵핑과 함께 조정되는파워 컨버터
    • 输入耦合时间的电源转换器与循环连接一起调整
    • KR1020070107021A
    • 2007-11-06
    • KR1020077017815
    • 2006-01-05
    • 이그자 코포레이션
    • 커나한,켄트리베이로,밀턴,디.
    • G05F1/10
    • H02M3/157
    • In a power converter, an input power source (98) is intermittently coupled to provide a current flow (Icoil) in consecutive cycles (T) to generate an output voltage (Vo). The coupling durations (Tp) are adjusted in conjunction with a cycle skip count (112CNT) which is the count of cycles in which no coupling occurs. In some embodiments, the adjustments are performed to keep the coupling durations near the maximum efficiency range (between TLOW and THIGH), and the skip count is adjusted at the same time to obtain the desired output voltage in the presence of load current variations. The coupling frequencies are kept in a desired range to avoid interference with other circuit elements.
    • 在功率转换器中,输入电源(98)间歇地耦合以在连续周期(T)中提供电流(Icoil)以产生输出电压(Vo)。 耦合持续时间(Tp)与循环跳过计数(112CNT)一起进行调整,循环跳跃计数是不发生耦合的循环计数。 在一些实施例中,执行调整以将耦合持续时间保持在最大效率范围(TLOW和THIGH之间)附近,并且在负载电流变化存在的情况下同时调整跳跃计数以获得期望的输出电压。 耦合频率保持在期望的范围以避免与其它电路元件的干扰。