A direct current (DC) power supply for varying an output voltage according to a load current variation is disclosed. The DC power supply includes an alternating current (AC)/DC conversion unit converting commercial AC power into DC power, a DC/DC conversion unit converting a voltage level of the DC power...http://www.google.es/patents/US8054653?utm_source=gb-gplus-sharePatente US8054653 - DC power supply for varying output voltage according to load current variation
DC power supply for varying output voltage according to load current variation
