Drive circuit and illumination device comprising the drive circuit

Drive circuit and illumination device comprising the drive circuit

Various embodiments may relate to a drive circuit of an illumination device. The drive circuit has an output terminal connected to a load of the illumination device. The drive circuit includes a power supply, a boost control unit connected to an output terminal of the power supply, a main control un...

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Hauptverfasser: Lin Daxin, Dai Yongchang
Format: Patent
Sprache:eng
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ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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creator Lin Daxin
Dai Yongchang
description Various embodiments may relate to a drive circuit of an illumination device. The drive circuit has an output terminal connected to a load of the illumination device. The drive circuit includes a power supply, a boost control unit connected to an output terminal of the power supply, a main control unit connected to the boost control unit, and a load current control unit connected between the main control unit and the load, and including a switch unit. The switch unit includes a first sub switch unit, which is configured to switch according to a dimming control signal from the main control unit, and further includes a second sub switch unit connected to the first sub switch unit. The second sub switch unit is configured to be turned on in a situation where the first sub switch unit is turned on so as to turn off the first sub switch unit.
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The drive circuit has an output terminal connected to a load of the illumination device. The drive circuit includes a power supply, a boost control unit connected to an output terminal of the power supply, a main control unit connected to the boost control unit, and a load current control unit connected between the main control unit and the load, and including a switch unit. The switch unit includes a first sub switch unit, which is configured to switch according to a dimming control signal from the main control unit, and further includes a second sub switch unit connected to the first sub switch unit. The second sub switch unit is configured to be turned on in a situation where the first sub switch unit is turned on so as to turn off the first sub switch unit.</abstract><oa>free_for_read</oa></addata></record>
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subjects ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
title Drive circuit and illumination device comprising the drive circuit
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