Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent
1997-12-16
2000-02-01
Berhane, Adolf Deneke
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
323284, G05F 156
Patent
active
060207299
ABSTRACT:
A voltage regulator with a switch to alternately couple and decouple an input terminal to an output terminal with a variable duty cycle and a filter disposed between the input terminal and the output terminal to provide a substantially DC voltage at the output terminal. A sampling circuit makes measurements of an electrical characteristic of the voltage regulator at discrete moments of time, such as just before the opening and closing of the switch. A feedback circuit is coupled to the sampling circuit and the switch, and is configured to use the measurements to control the duty cycle to maintain the DC voltage substantially constant. The feedback circuit uses the switch as the resistive element in order to measure the current passing through the voltage regulator.
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Kassakian et al., "Feedback Control Design," Principles of Power Electronics, Addison-Wesley Publishing Co., Chapter 14, 365-402, 1991.
Clark William A.
Lidsky David B.
Stratakos Anthony J.
Berhane Adolf Deneke
Volterra Semiconductor Corporation
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