Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate
2011-07-19
2011-07-19
Sterrett, Jeffrey L (Department: 2838)
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
C323S282000
Reexamination Certificate
active
07982443
ABSTRACT:
A circuit for converting voltages is provided. The circuit includes a switch circuit coupled in series with an input node and a reference node. The switch circuit includes at least three controllable switches coupled in series and an inductive low pass output stage coupled to a connecting node between each of the switches. Each output stage is configured to output an average of the voltage generated at the connecting node. The circuit also includes a control circuit coupled to the controllable switches. The control circuit is configured to generate a plurality of control signals for control nodes of the switches, where the control signals have a plurality of complementary periodic components. Each of the complementary periodic components alternates a predetermined combination of the switches for alternating a voltage at each connecting node between a voltage at the input node and a voltage at the reference node.
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National Semiconductor Corporation
Sterrett Jeffrey L
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