UBA2028 Description
The UBA2028 is a high voltage power IC that drives and controls electronically ballasted pact Fluorescent Lamps (CFLs). The IC includes a Metal-Oxide-Semiconductor Transistor (MOST) half-bridge power circuit, a dimming function, a high voltage level shift circuit, an oscillator function, a lamp voltage monitor, a current control function, a timer function and various protections.
UBA2028 Key Features
- Two internal 600 V, 3 Ω max MOST half-bridge power circuits
- For steady state currents up to 280 mA
- For ignition currents up to 1.5 A
- Adjustable preheat time
- Adjustable preheat current
- Current controlled operating
- Single ignition attempt
- Adaptive non-overlap time control
- Integrated high voltage level shift function
- Power-down function