UBA20270
Overview
The UBA20270 is a high-voltage power IC intended to control higher powered self ballasted Compact Fluorescent Lamp (CFL) lighting applications. The UBA20270 is a controller circuit with advanced features for dimming and has a lamp current controlled boost feature for boosting cold (amalgam) CFLs.
- Features and benefits
- 1 Half-bridge features
- Integrated high-voltage level-shift function with integrated bootstrap diode
- 2 Preheat and ignition features
- Coil saturation protection during ignition
- Adjustable preheat time
- Adjustable preheat current
- Ignition lamp current detection
- 3 Lamp boost features
- Adjustable boost timing
