UBA20260
Description
The UBA20260 is a high-voltage integrated circuit designed to control high power self-ballasted pact Fluorescent Lamp (CFL) lighting applications. The UBA20260 is a controller circuit with advanced features for step dimming and a lamp current controlled boost feature for boosting cold (amalgam) CFLs.
Key Features
- Integrated high-voltage level-shift function with integrated bootstrap diode 2.2 Preheat and ignition features
- Coil saturation protection during ignition
- Adjustable preheat time
- Adjustable preheat current
- Ignition lamp current detection 2.3 Lamp boost features
- Adjustable boost timing
- Fixed boost current ratio of 1.5
- Gradually boost to burn transition timing NXP Semiconductors UBA20260 600 V driver IC for step dimmable CFLs 2.4 Dim features
- 4-level step dimming adjustment using a standard on/off mains switch
- Adjustable memory retention time for step dimming
