| 摘要 |
A circuit system comprising a power supply unit configured by a POL power source and a circuit unit of a low voltage/large current consumption for receiving supply of power from this power supply unit and able to respond to a sudden change of load of the circuit unit at a high speed, whereupon the circuit unit is provided with an increase prediction function unit for predicting in advance an increase of its internal power consumption and wherein when an increase is predicted in the function unit, increase prediction information is given to a power supply control function unit before an output voltage of a power supply unit starts to drop so that a power supply capability of the power supply unit is increased in advance.
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