| 摘要 |
The invention provides a single-stage electronic ballast for a fluorescent lamp, comprising a boost circuit and a load unit. The boost circuit includes a first inductor, a first capacitor, a first diode and at least a switch, wherein the positive terminal of the first diode is connected to the first inductor, and the negative terminal of the first diode is connected to the at least a switch. The load unit includes at least a fluorescent lamp, two terminals of the first capacitor are respectively connected to the at least a load unit, and the at least a switch is connected to the load unit for controlling its turning-on and turning-off, wherein the boost circuit and the load unit share the at least a switch.
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