| 发明名称 | Dimming control circuit and method for generating analog and digital signals according to one analog control signal | ||
| 摘要 | The present invention discloses a dimming control circuit and a method for generating analog and digital signals according to an analog control signal. The dimming control circuit according to the present invention comprises an input for receiving an analog control signal; a digital dimming circuit for receiving the analog control signal and generating a digital signal; an analog dimming circuit for receiving the analog control signal and generating an analog signal; and a power circuit enabled by the digital signal for converting a supply voltage to an output voltage according to the analog signal generated by the analog dimming circuit. | ||
| 申请公布号 | US8853960(B2) | 申请公布日期 | 2014.10.07 |
| 申请号 | US200812287314 | 申请日期 | 2008.10.08 |
| 申请人 | Richtek Technology Corporation, R.O.C. | 发明人 | Liao Chiawei;Chiang Hsin-Kai |
| 分类号 | G05F1/00;H05B37/02;H05B39/04;H05B41/36 | 主分类号 | G05F1/00 |
| 代理机构 | Tung & Associates | 代理人 | Tung & Associates |
| 主权项 | 1. A dimming control circuit, comprising: an input for receiving an analog control signal; a digital dimming circuit for receiving the analog control signal and generating a digital signal; an analog dimming circuit for receiving the analog control signal and generating an analog signal; and a power circuit enabled by the digital signal for converting a supply voltage to an output voltage according to the analog signal generated by the analog dimming circuit,wherein the digital dimming circuit includes a comparator which compares the analog control signal with a first reference voltage. | ||
| 地址 | Chupei, Hsin-Chu TW | ||