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Active clamp power converter and method of reducing shoot-through current during soft start
Active clamp power converter and method of reducing shoot-through current during soft start
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机译:有源钳位功率转换器和在软启动期间降低直通电流的方法
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摘要
An ACF power converter uses a soft start operation to reduce overheating and stress on components. The power converter includes a first transistor and second transistor. A high side driver controls the first transistor, and low side driver controls the second transistor. A first operating potential is provided to the low side driver during a first period of time. The second transistor switches based on an oscillator signal having a first rate of frequency change to generate a second operating potential for the high side driver, while attempting to hold the first transistor in the non-conductive state during a second time period. The first and second transistors switch based on the oscillator signal having a second rate of frequency change during a third time period. The power converter is held in ACF mode and inhibited from changing state for a period of time post soft start.
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