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    • 1. 发明申请
    • Voltage regulator circuit with over-current protection
    • 稳压电路具有过流保护功能
    • US20070273346A1
    • 2007-11-29
    • US11507446
    • 2006-08-22
    • Chun-San LinJui-Shun PanHsiang-Jui HungSun-Chen YangChing-Fu Cheng
    • Chun-San LinJui-Shun PanHsiang-Jui HungSun-Chen YangChing-Fu Cheng
    • G05F1/571
    • G05F1/573
    • A voltage regulator circuit with over-current protection, which includes a linear regulator, a voltage controller, and an over-current protection circuit. The linear regulator includes a converter and a driver. The converter is connected to a voltage input terminal and a voltage output terminal. An output terminal of the driver is connected to the converter for controlling the operation of the converter. The voltage controller is connected to the voltage output terminal, the output terminal and a first input terminal of the driver, respectively, for providing a feedback voltage. The over-current protection circuit is connected to the output terminal of the driver and the linear regulator. The over-current protection circuit detects the output voltage of the driver for comparing with a comparison voltage. When the output voltage is larger than the comparison voltage, the over-current protection circuit controls the driver to turn off the converter.
    • 具有过流保护功能的稳压电路,包括线性稳压器,电压控制器和过电流保护电路。 线性调节器包括转换器和驱动器。 转换器连接到电压输入端子和电压输出端子。 驱动器的输出端子连接到转换器,用于控制转换器的操作。 电压控制器分别连接到电压输出端子,输出端子和驱动器的第一输入端子,用于提供反馈电压。 过流保护电路连接到驱动器和线性稳压器的输出端子。 过电流保护电路检测驱动器的输出电压与比较电压进行比较。 当输出电压大于比较电压时,过电流保护电路控制驱动器关闭转换器。
    • 5. 发明授权
    • Buck converter
    • 降压转换器
    • US07538530B2
    • 2009-05-26
    • US11528337
    • 2006-09-28
    • Hsiang-Jui HungHan-Hsun ChenChun-San LinSun-Chen Yang
    • Hsiang-Jui HungHan-Hsun ChenChun-San LinSun-Chen Yang
    • G05F1/40
    • H02M3/1584H02M1/088H02M3/1588H02M2001/0048Y02B70/1466Y02B70/1491Y10T307/625
    • The invention relates to a buck converter including a first high-side switch circuit having an input terminal electrically connected to a first power input terminal, a control terminal electrically connected to a first control signal source, and an output terminal; a second high-side switch circuit having an input terminal electrically connected to a second power input terminal, a control terminal electrically connected to a second control signal source, and an output terminal electrically connected to the output terminal of the first high-side switch; a lower-side switch circuit having a first terminal electrically connected to the output terminal of the first high-side switch and a second terminal electrically connected to a reference power terminal; and a filter electrically connected to the output terminal of the first high-side switch and a power output terminal, wherein the first and second high-side switch circuits will not turn on at the same time.
    • 本发明涉及一种降压转换器,包括第一高侧开关电路,其具有电连接到第一电源输入端子的输入端子,电连接到第一控制信号源的控制端子和输出端子; 第二高侧开关电路,其具有电连接到第二电源输入端子的输入端子,电连接到第二控制信号源的控制端子和电连接到第一高侧开关的输出端子的输出端子; 下侧开关电路,其具有电连接到第一高侧开关的输出端子的第一端子和电连接到参考功率端子的第二端子; 以及电连接到第一高侧开关的输出端子和电力输出端子的滤波器,其中第一和第二高侧开关电路不会同时导通。
    • 6. 发明申请
    • Backlight device capable of increasing luminance efficiency
    • 能够提高亮度效率的背光装置
    • US20070252531A1
    • 2007-11-01
    • US11790245
    • 2007-04-24
    • Hsiang-Jui HungYun-Jiun YouChun-San LinHan-Hsun ChenSun-Chen Yang
    • Hsiang-Jui HungYun-Jiun YouChun-San LinHan-Hsun ChenSun-Chen Yang
    • H05B41/16
    • H05B41/282Y02B20/183
    • A backlight device capable of increasing luminance efficiency includes a power transformation device having a primary end and a secondary end for transforming current received by the primary end and outputting transformed current from the secondary end. The backlight device further includes a double-wind coupling element including a first coupling element and a second coupling element coupled to terminals of the secondary end, for adjusting current between the first coupling element and the second coupling element, and a cold cathode fluorescent lamp coupled to the first coupling element and the second coupling element, for making current flowing into the cold cathode fluorescent equal to current flowing out from the cold cathode fluorescent according to adjusted current between the first coupling element and the second coupling element.
    • 能够提高亮度效率的背光装置包括功率变换装置,其具有用于变换由一次端接收的电流的主端和次端,并从二次端输出变换电流。 该背光装置还包括双风耦合元件,该双风耦合元件包括耦合到次端端子的第一耦合元件和第二耦合元件,用于调节第一耦合元件与第二耦合元件之间的电流;以及冷阴极荧光灯, 到第一耦合元件和第二耦合元件,用于使流过冷阴极荧光的电流等于从冷阴极荧光流出的电流,根据第一耦合元件和第二耦合元件之间的调节电流。
    • 9. 发明申请
    • Buck converter
    • 降压转换器
    • US20070262755A1
    • 2007-11-15
    • US11528337
    • 2006-09-28
    • Hsiang-Jui HungHan-Hsun ChenChun-San LinSun-Chen Yang
    • Hsiang-Jui HungHan-Hsun ChenChun-San LinSun-Chen Yang
    • G05F1/00
    • H02M3/1584H02M1/088H02M3/1588H02M2001/0048Y02B70/1466Y02B70/1491Y10T307/625
    • The invention relates to a buck converter including a first high-side switch circuit having an input terminal electrically connected to a first power input terminal, a control terminal electrically connected to a first control signal source, and an output terminal; a second high-side switch circuit having an input terminal electrically connected to a second power input terminal, a control terminal electrically connected to a second control signal source, and an output terminal electrically connected to the output terminal of the first high-side switch; a lower-side switch circuit having a first terminal electrically connected to the output terminal of the first high-side switch and a second terminal electrically connected to a reference power terminal; and a filter electrically connected to the output terminal of the first high-side switch and a power output terminal, wherein the first and second high-side switch circuits will not turn on at the same time.
    • 本发明涉及一种降压转换器,包括第一高侧开关电路,其具有电连接到第一电源输入端子的输入端子,电连接到第一控制信号源的控制端子和输出端子; 第二高侧开关电路,其具有电连接到第二电源输入端子的输入端子,电连接到第二控制信号源的控制端子和电连接到第一高侧开关的输出端子的输出端子; 下侧开关电路,其具有电连接到第一高侧开关的输出端子的第一端子和电连接到参考功率端子的第二端子; 以及电连接到第一高侧开关的输出端子和电力输出端子的滤波器,其中第一和第二高侧开关电路不会同时导通。