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Article: IR DEBUTS SINGLE-CHIP FLUORESCENT LAMP BALLAST DEVICE.
- Article from:
- Electro Manufacturing
- Article date:
- June 1, 2003
CopyrightCOPYRIGHT 2003 Worldwide Videotex. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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International Rectifier, IR, (NYSE:IRF), El Secundo, Calif., has introduced a single-chip fluorescent lamp ballast device with an active, critical conduction mode, boost-type power factor correction (PFC) method. High power factor improves electrical equipment efficiency. The IR2167 controls the entire electronic ballast, and combines lamp control, power factor correction and a 600V half-bridge driver. Ballast functions include control for preheating, igniting and powering a fluorescent lamp, and protection against such lamp failures such as open filament, lamp non-strike, brown-out, below resonance and end-of-life.
The control method for power factor correction ...