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Power Supplies Having Synchronous And Asynchronous Modes Of Operation
Power Supplies Having Synchronous And Asynchronous Modes Of Operation
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机译:具有同步和异步操作模式的电源
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摘要
The present disclosure relates to power supplies and control methods for power supplies. Example power supplies include an output terminal, a transformer having a secondary winding including a first terminal and a second terminal, first and second diodes coupled between the output terminal and the first and second terminals, respectively, first and second switches coupled between the output terminal and the first and second terminals, respectively, and a controller coupled to the first switch and the second switch. The controller is configured to control the power supply in an asynchronous mode when output current is below a defined threshold so current flows to the output terminal through the first diode and the second diode, and to control the power supply in a synchronous mode when output current is above the defined threshold so current flows to the output terminal through the first switch and the second switch.
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