High efficiency high power factor electronic ballast
High efficiency power controller for solid state lighting
High frequency discharge lamp operating circuit with resonant po
High frequency electronic ballast
High frequency electronic ballast
High frequency operating circuit with in-rush current protection
High frequency/high power factor inverter circuit with...
High intensity discharge ballast
High intensity discharge lamp ballast having a transient protect
High power electronic ballast with an integrated magnetic...
High power factor electronic ballast with simplified circuit...
High power factor, high-frequency operating circuit for a low-pr
High precision luminance control for PWM-driven lamp
High-frequency operating circuit for a low-pressure discharge la
High-power electronic ballast for fluorescent lamp
High-power factor circuit for energizing gas discharge lamps