| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a control method of a power supply device which makes each DC-DC converter generate a voltage while maintaining a mutual electric potential relationship of each output voltage in the power supply device comprising a plurality of the DC-DC converters, and also to provide the power supply device and its control method. <P>SOLUTION: In the control device 20 of the power supply device 10 which outputs a plurality of DC currents (VCC, VBGP and VBGN) different in voltage values, a voltage setting part 22 is provided therein which sets a voltage value of the second DC voltage VBGP having the prescribed electric potential relationship, with respect to a voltage value of the first DC voltage VCC which is one of the plurality of DC voltages. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
