| 摘要 |
The present invention relates to a dimming drive circuit for an illumination apparatus and an illumination apparatus comprising the dimming drive circuit, wherein the dimming drive circuit comprises a filter circuit unit and a bleeder circuit unit, and a main control module connected to the filter circuit unit and the bleeder circuit unit, respectively, wherein the dimming drive circuit further comprises an auxiliary control module configured to reduce the current of the bleeder circuit unit and/or to switch off the bleeder circuit unit according to a characteristic input current of the dimming drive circuit prior to switch-off of the bleeder circuit unit by the main control module in a first operation state of the dimming drive circuit, and to prevent the filter circuit unit from releasing electrical energy via the bleeder circuit unit in a second operation state of the dimming drive circuit. |
