Datasheet Summary
600 V Driver IC for dimmable pact fluorescent lamps
Rev. 2
- 8 September 2011
Product data sheet
1. General description
The UBA20270 is a high-voltage power IC intended to control higher powered self ballasted pact 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.
The controller contains a half-bridge drive function for CFL, a high-voltage level-shift circuit with integrated bootstrap diode. In addition, the controller contains an oscillator function, a current control function both for preheat and burn, a timer function...