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Synchronous rectification switching regulator, control circuit for synchronous rectification switching regulator, and operation control method for synchronous rectification switching regulator
Synchronous rectification switching regulator, control circuit for synchronous rectification switching regulator, and operation control method for synchronous rectification switching regulator
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机译:同步整流开关调节器,同步整流开关调节器的控制电路以及同步整流开关调节器的操作控制方法
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摘要
A synchronous rectification switching regulator, and a control circuit and a control method for controlling the synchronous rectification switching regulator. The regulator includes an output terminal, a first switching device, an inductor, a second switching device for synchronous rectification, a control circuit unit to control switching of the first switching device and cause the second switching device to perform switching opposite to that of the first switching device, and a reverse current detection circuit unit to detect a generation or an indication of a reverse current flowing from the output terminal to the second switching device and make the control circuit unit turn off the second switching device when a generation or an indication of the reverse current is detected. The reverse current detection circuit unit stops detecting a generation or an indication of the reverse current while the second switching device is turned off by the control circuit unit.
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