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US08953342B2 Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms 有权
用于调节具有输出检测和同步整流机构的电力转换系统的系统和方法

Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms
Abstract:
System and method for regulating a power conversion system. A system controller for regulating a power conversion system includes a first controller terminal and a second controller terminal. The system controller is configured to receive at least an input signal at the first controller terminal, and generate a gate drive signal at the second controller terminal based on at least information associated with the input signal to turn on or off a transistor in order to affect a current associated with a secondary winding of the power conversion system. The system controller is further configured to, if the input signal is larger than a first threshold, generate the gate drive signal at a first logic level to turn off the transistor.
Abstract(Chinese):

用于调节电力转换系统的系统和方法。 用于调节功率转换系统的系统控制器包括第一控制器端子和第二控制器端子。 所述系统控制器被配置为在所述第一控制器终端处接收至少一个输入信号，并且至少基于与所述输入信号相关联的信息，在所述第二控制器端产生栅极驱动信号以导通或关闭晶体管，以便影响 与电力转换系统的次级绕组相关联的电流。 系统控制器还被配置为如果输入信号大于第一阈值，则以第一逻辑电平产生栅极驱动信号以截止晶体管。

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