| 摘要 |
An electric power control arrangement comprises a voltage conversion circuit, a signal producing circuit for producing signals to enable the conversion circuit, and a voltage supplying circuit operative in response to the signals from the signal producing circuit for supplying a voltage to the voltage conversion circuit. The voltage conversion circuit may include a starting circuit operable in response to the output from the signal producing circuit. The power control arrangement may include a voltage regulator, which comprises a comparator for comparing the output of the regulator with a reference voltage to enable the starting circuit.
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