Electronic operating device for a gas discharge lamp
AssigneeOsram Gesellschaft Mit Beschraenkter Haftung
InventorJoachim Muehlschlegel
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Abstract
The invention relates to an electronic operating device for a gas discharge lamp having: a DC/DC voltage converter, a power factor correction circuit, an inverter, a lamp inductor, and having a full bridge with two half bridges which can be controlled separately, wherein the DC/DC voltage converter additionally acts as a voltage step-down converter, and the inverter additionally has the following functions: lamp current regulation, the function of stepping down the voltage to the lamp voltage, and resonant ignition.
Claims11
An electronic operating device for a gas discharge lamp, the electronic operating device comprising:
- a DC/DC voltage converter which features
- a power factor correction circuit,
- an inverter which features a lamp inductor and
- a full bridge comprising two half bridges that can be activated separately,
- wherein the DC/DC voltage converter additionally acts as a voltage step-down converter, and
- wherein the inverter additionally has the following functions:
- lamp current regulation,
- the function of stepping down the voltage to the lamp voltage, and
- resonant ignition.
Dependencies are inferred from the claim text.