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High Voltage High Frequency Class-E Converter Suitable for Miniaturization

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2 Author(s)
Lutteke, Georg ; Philips GmbH, Apparatefabrik Krefeld, Köongisberger Str. 10, D-4150 Krefeld, West Germany. ; Raets, Hubert C.

A 120 V mains-driven class-E converter used as an electronic ballast for a 15 W fluorescent lamp is presented. The key element of the circuit is a cascoded bipolar metal-oxide semiconductor (BiMOS) switch which ensures high-voltage and high-frequency capability. In spite of the high switching frequency of 450 kHz an excellent efficiency of 91 percent could be achieved. Thus miniaturization becomes feasible.

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Power Electronics, IEEE Transactions on  (Volume:PE-1 ,  Issue: 4 )