Pulse or digital communications – Cable systems and components – Transformer coupling
Reexamination Certificate
2005-02-23
2008-12-02
Ahn, Sam K (Department: 2611)
Pulse or digital communications
Cable systems and components
Transformer coupling
Reexamination Certificate
active
07460604
ABSTRACT:
A circuit package for providing isolation between a controller on a first side of a switched power supply and a second side of the switched power supply. An isolation link provides voltage isolation between the first and second sides and includes on the first sides circuitry for transmitting a driver signal received from the controller and circuitry for receiving a voltage feedback signal responsive to a sensed output voltage on the second side. The second side includes circuitry for receiving the driver signal and also circuitry for transmitting the voltage feedback signal. A driver located on the second side is responsive to the received driver signal. The second side further includes circuitry for sensing the output voltage and generating the voltage feedback signal. The isolation link additionally provides voltage isolation between the controller and the driver circuit and between the controller and the sensed output voltage.
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Ahn Sam K
Howison & Arnott , L.L.P.
Silicon Laboratories Inc.
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