LED drive circuit
The utility model provides an LED drive circuit. The LED driving circuit comprises an alternating current input rectifying circuit, a self-adaptive boost control circuit and a linear constant current control circuit, a first terminal and a second terminal of the alternating current input rectifying...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides an LED drive circuit. The LED driving circuit comprises an alternating current input rectifying circuit, a self-adaptive boost control circuit and a linear constant current control circuit, a first terminal and a second terminal of the alternating current input rectifying circuit are used for being connected with two ends of an alternating current power supply, a third terminal is connected to a first terminal of the self-adaptive boost control circuit, and a fourth terminal is grounded; a first terminal of the adaptive boost control circuit is connected to a third terminal of the AC input rectification circuit, a second terminal of the adaptive boost control circuit is connected to a first terminal of the linear constant current control circuit, a third terminal of the adaptive boost control circuit is used for connecting a first terminal of an LED load, and a fourth terminal of the adaptive boost control circuit is grounded; a first terminal of the linear constant current control |
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