Description
The UBA20270 is a high-voltage power IC intended to control higher powered self ballasted Compact Fluorescent Lamp (CFL) lighting applications.
Features
- 2.1 Half-bridge 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
2.4 Dim features.
- Continuously variable dimming function for s.