UBA2021 Description
The UBA2021 is a high-voltage IC intended to drive and control pact Fluorescent Lamps (CFL) or fluorescent TL-lamps. It contains a driver circuit for an external half-bridge, an oscillator and a control circuit for starting up, preheating, ignition, lamp burning and protection. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN.
UBA2021 Key Features
- Adjustable preheat and ignition time
- Adjustable preheat current
- Adjustable lamp power
- Lamp temperature stress protection at higher mains
- Capacitive mode protection
- Protection against a too-low drive voltage for the power
- Start-up state
- Preheat mode
- Frequency sweep to ignition
- Feed-forward