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Control circuit and a method for an energy based pulse skipping mode in a DC/DC converter
Control circuit and a method for an energy based pulse skipping mode in a DC/DC converter
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机译:DC / DC转换器中基于能量的脉冲跳跃模式的控制电路和方法
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摘要
A control circuit for a switched mode power supply and a related method are provided for controlling switching elements in a power train of a switched mode power supply. The control circuit comprises a mode controller to monitor the output current to determine whether the output current exceeds a current threshold. The mode controller controls the switching controller to generate the switch control signals. When the current exceeds the current threshold, the power train operates in a continuous conduction mode, and upon determining that the output current has fallen to or below the current threshold, the operation of the power train is changed from the continuous conduction mode to a pulse skipping mode. The pulse skipping mode is entered from the continuous conduction mode and involves determining the amount of energy stored in a secondary circuit of the power train.
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