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POWER CONVERTER WITH AUTOMATIC BALANCE MECHANISM OF FLYING CAPACITOR
POWER CONVERTER WITH AUTOMATIC BALANCE MECHANISM OF FLYING CAPACITOR
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机译:电源转换器具有飞行电容的自动平衡机制
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摘要
A power converter with an automatic balance mechanism of a flying capacitor is provided. The flying capacitor and a first terminal of an output inductor are connected to a switch circuit. Two terminals of an output capacitor are respectively connected to a second terminal of the output inductor and grounded. Two input terminals of an error amplifier are respectively connected to a node between the output capacitor and the output inductor, and coupled to a reference voltage. The error amplifier outputs an error amplified signal according to a voltage of the node and the reference voltage. A comparator circuit receives a ramp signal. A slope of the ramp signal is proportional to a voltage of the flying capacitor. The comparator circuit compares the ramp signal with the error amplified signal to output a comparison signal. The driving circuit drives the switch circuit according to the comparison signal.
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