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    • 93. 发明授权
    • DC-DC converter
    • DC-DC转换器
    • US07304463B2
    • 2007-12-04
    • US11115754
    • 2005-04-27
    • Takashi Noma
    • Takashi Noma
    • G05F1/618G05F1/575
    • H02M3/1588Y02B70/1466
    • A DC-DC converter includes an Nch FET1 which is series connected between an input terminal and an output terminal, and an Nch FET2 which is connected between the output terminal side of the Nch FET1 and a ground terminal. On the output terminal side of the circuits, a smoothing circuit and a comparator circuit are connected. The output side of the comparator circuit is connected to an on-time limiter circuit, and the on-time limiter circuit is connected to an H/S driver circuit for controlling the Nch FET1 through an inverter and directly connected to an L/S driver circuit for controlling the Nch FET2. Here, when a switching control signal for turning on the Nch FET1 is input to the on-time limiter circuit from the comparator, the on-time limiter circuit detects a time in the on state and outputs a signal by which the Nch FET1 is temporarily off controlled.
    • DC-DC转换器包括串联连接在输入端子和输出端子之间的Nch FET <1>和连接在输出端子侧之间的Nch FET <2> 的Nch FET 1&lt; 1&gt;和接地端子。 在电路的输出端侧连接有平滑电路和比较电路。 比较器电路的输出侧与导通时间限制电路连接,接通时间限制电路通过逆变器连接到H / S驱动电路,以控制Nch FET <1> 直接连接到用于控制Nch FET <2>的L / S驱动电路。 这里,当用于接通Nch FET <1>的开关控制信号从比较器输入到接通时间限制器电路时,接通时间限制器电路检测处于导通状态的时间,并输出 Nch FET 1暂时关闭的信号被控制。
    • 96. 发明申请
    • DC-DC converter
    • DC-DC转换器
    • US20050285585A1
    • 2005-12-29
    • US11115754
    • 2005-04-27
    • Takashi Noma
    • Takashi Noma
    • G05F1/40H02M3/158
    • H02M3/1588Y02B70/1466
    • A DC-DC converter includes an Nch FET1 which is series connected between an input terminal and an output terminal, and an Nch FET2 which is connected between the output terminal side of the Nch FET1 and a ground terminal. On the output terminal side of the circuits, a smoothing circuit and a comparator circuit are connected. The output side of the comparator circuit is connected to an on-time limiter circuit, and the on-time limiter circuit is connected to an H/S driver circuit for controlling the Nch FET1 through an inverter and directly connected to an L/S driver circuit for controlling the Nch FET2. Here, when a switching control signal for turning on the Nch FET1 is input to the on-time limiter circuit from the comparator, the on-time limiter circuit detects a time in the on state and outputs a signal by which the Nch FET1 is temporarily off controlled.
    • DC-DC转换器包括串联连接在输入端子和输出端子之间的Nch FET <1>和连接在输出端子侧之间的Nch FET <2> 的Nch FET 1&lt; 1&gt;和接地端子。 在电路的输出端侧连接有平滑电路和比较电路。 比较器电路的输出侧与导通时间限制电路连接,接通时间限制电路通过逆变器连接到H / S驱动电路,以控制Nch FET <1> 直接连接到用于控制Nch FET <2>的L / S驱动电路。 这里,当用于接通Nch FET <1>的开关控制信号从比较器输入到接通时间限制器电路时,接通时间限制器电路检测处于导通状态的时间,并输出 Nch FET 1暂时关闭的信号被控制。