| 摘要 |
A power source system ( 1 ) operable to supply a load circuit ( 10 ) with electrical power, including a power-supplying source ( 2 ) including a plurality of power source terminals ( 3 ) and ( 4 ) that differ in output voltage from one another, in which the power-supplying source is operable to supply the electrical power through the plurality of power source terminals ( 3 ) and ( 4 ), a power source terminal-selecting unit ( 5 ) operable to select either one of the plurality of power source terminals ( 3 ) and ( 4 ), a plurality of voltage converting units ( 6 ) and ( 7 ) connected to the power source terminal-selecting unit ( 5 ) and operable to convert electrical voltage, and a voltage converting unit-selecting unit ( 8 ) operable to select either one of the plurality of voltage converting units ( 6 ) and ( 7 ). The power source system provides the proper supply of the electrical power in accordance with a status of the load circuit ( 10 ).
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