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    • 10. 发明申请
    • Power converter
    • 电源转换器
    • US20080049477A1
    • 2008-02-28
    • US11826981
    • 2007-07-19
    • Shinichi FujinoJun SatoSadashi Seto
    • Shinichi FujinoJun SatoSadashi Seto
    • H02M7/537G05F1/44H05K7/20
    • H02M7/003H01L2224/48091H01L2224/49111H01L2924/1305H01L2924/13055H01L2924/13091H02M7/5387H05K7/1432H05K7/20927H01L2924/00014H01L2924/00
    • The present invention provides a power converter having a structure capable of reducing switching noise and insusceptible to switching noise.The power converter comprises a semiconductor device, a driver device, a current sensor, a control device, and a capacitor. The semiconductor device has a plurality of switching elements for converting a direct current to an alternating current, the direct current being supplied from a direct current terminal. The driver device controls an operation of the plurality of switching elements provided in the semiconductor device. The current sensor detects the alternating current. The control device controls an operation of the driver device in accordance with the alternating current that has been detected by the current sensor. The capacitor is connected with the direct current terminal. The driver device and the control device are mounted on the same printed board. The driver device is arranged above the semiconductor device.
    • 本发明提供了具有能够降低开关噪声并且不能切换噪声的结构的功率转换器。 功率转换器包括半导体器件,驱动器器件,电流传感器,控制器件和电容器。 半导体器件具有用于将直流电转换为交流电的多个开关元件,该直流电由直流端子提供。 驱动器装置控制设置在半导体器件中的多个开关元件的操作。 电流传感器检测交流电流。 控制装置根据由电流传感器检测到的交流电流来控制驱动装置的动作。 电容器与直流端子相连。 驱动器装置和控制装置安装在相同的印刷电路板上。 驱动器装置布置在半导体器件的上方。