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    • 3. 发明授权
    • Power supply unit
    • 供电单元
    • US08816664B2
    • 2014-08-26
    • US13250177
    • 2011-09-30
    • Masanori FujiiTomoyuki Ito
    • Masanori FujiiTomoyuki Ito
    • G05F1/00G06F1/26H02M3/156
    • H02M3/156G06F1/266
    • A power supply unit, which is mounted in a host device for supplying power to a client device through a cable interposed therebetween, includes an output unit configured to generate a first output voltage from an input voltage. A controller is provided in the power supply to perform voltage feedback control on the output unit such that the first output voltage is maintained at a predetermined target value. Also, the power supply unit includes a first correction unit configured to correct the voltage feedback control at the controller such that the first output voltage is increased as a second output voltage finally supplied to the client device becomes lower, and a second correction unit configured to correct the voltage feedback control at the controller such that the first output voltage is increased as an output current supplied from the host device to the client device becomes larger.
    • 电源单元,其安装在主机装置中,用于通过插入其间的电缆向客户端装置供电,所述电源单元包括被配置为从输入电压产生第一输出电压的输出单元。 在电源中设置控制器,以对输出单元执行电压反馈控制,使得第一输出电压保持在预定的目标值。 此外,电源单元包括:第一校正单元,被配置为校正控制器处的电压反馈控制,使得随着最终提供给客户端设备的第二输出电压变低,第一输出电压增加;第二校正单元,被配置为 校正控制器处的电压反馈控制,使得当从主机设备向客户端设备提供的输出电流变大时,第一输出电压增加。