Buck converter switching scheme

Details Buck converter switching scheme Buck converter switching scheme

1996-10-07

2000-01-04

Kinkead, Arnold

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

315209R, 315224, 315247, 315DIG5, H05B 4136

Patent

active

060113618

ABSTRACT:
An arrangement for igniting and operating a high-pressure discharge lamp provided with a Buck converter for supplying the lamp through periodic switching of a switching device which is held alternately in a conducting state for a period t.sub.on and in a non-conducting state for a period t.sub.off. The arrangement further includes circuitry which produces fixed minimum and maximum time limits for the time duration t.sub.off.

REFERENCES:
patent: 4412154 (1983-10-01), Klein
patent: 5068572 (1991-11-01), Blankers
patent: 5170333 (1992-12-01), Niwayama
patent: 5369340 (1994-11-01), Leyton

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