Invention Grant
US09590499B2 Drive circuit and method 有权
驱动电路及方法

Drive circuit and method
Abstract:
In accordance with an embodiment, a transformer-less drive circuit is provided that includes a switch control network having an output terminal connected to a first switch and another output terminal connected to a second switch. A driver connected to the second switch. In accordance with another embodiment, a method for generating a drive signal is provided that includes charging a first energy storage element to a first voltage level and a second energy storage element to a second voltage level. The charge stored in the second energy storage element is increased so that the second energy storage element stores a voltage at a third voltage level. The terminals of the second energy storage element are alternately connected to a fourth voltage level. The second energy storage element is used to supply or drive a driver.
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