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热词
    • 9. 发明授权
    • Resonant switching converter
    • 谐振开关转换器
    • US4138715A
    • 1979-02-06
    • US841090
    • 1977-10-11
    • Edward J. Miller
    • Edward J. Miller
    • H02M3/137H02M3/135
    • H02M3/137
    • A DC to DC converter employs resonant switching to turn switching power devices on and off at zero current. Two series resonant circuits are formed by two inductors connected in series between a voltage source and a power switch and a capacitor connected between the junction of the two inductors and a source of reference potential. The values of the two inductors are chosen so that the natural resonant frequency of the second inductor and the capacitor is high compared to the natural resonant frequency of the first inductor and the capacitor. The power switch may be a semiconductor switch, such as a silicon controlled rectifier or a junction transistor. Both non-isolated and isolated outputs may be provided in buck or boost conversion. The converter can be used as a voltage regulator by the addition of output sensing, comparison with a reference voltage, and suitable on-off control.
    • DC到DC转换器采用谐振开关来在零电流下打开和关闭开关功率器件。 两个串联谐振电路由串联连接在电压源和功率开关之间的两个电感器以及连接在两个电感器的接点和参考电位源之间的电容器形成。 选择两个电感器的值,使得与第一电感器和电容器的固有谐振频率相比,第二电感器和电容器的固有谐振频率高。 电源开关可以是诸如可控硅整流器或结型晶体管的半导体开关。 可以以降压或升压转换来提供非隔离和隔离输出。 转换器可以通过添加输出检测,与参考电压进行比较,以及适当的开 - 关控制来用作电压调节器。