MULTI-POWER SUPPLY APPARATUS WITH SIMPLE CONSTITUTION CAPABLE OF SUPPLYING BY AUTOMATICALLY CONTROLLING POWER ACCORDING TO AN EXTERNAL ELECTRONIC DEVICE WITHOUT OPERATION OF A USER

摘要

PURPOSE: A multi-power supply apparatus is provided to automatically control and supply power suitable for an external electronic device even without operation of a user. CONSTITUTION: A multi-power supply apparatus(200) comprises a connection unit(25) for power supply and interface to an external electronic device; a control unit for varying and controlling power on the basis of the voltage identification received from the external electronic device through the connection unit; and a transformer unit(20) for converting power input from an external source into an arbitrary voltage and outputting the voltage as a power to be supplied to the external electronic device, in accordance with the control signal output from the control unit.