Image Number 3 for United States Patent #4622511.
A switching regulator is provided for regulating voltages at a pair of output terminals. The regulator includes an inductor which is "time shared" in regulating the voltages at both terminals. During the first half of each period, the inductor is charged in accordance with the error in voltage at one terminal and then discharged to control the voltage at such terminal; and, during the second half of each period, the inductor is charged in accordance with the error in voltage at the second terminal and then discharged to control the voltage at the second terminal.
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