Datasheet Summary
OB3328/OB3328N
High Performance CCFL Controller General Description
The OB3328 is a unique, high-efficiency and highprecision Cold Cathode Fluorescent Lamp (CCFL) backlight co ntroller IC d edicated to full bridg e configuration. The controller i s de signed to drive single or multiple CCF Ls in Liquid Cryst al Display (LCD) applications. The OB332 8 convert s unre gulated DC input voltage to the pure sin usoidal voltage and cu rrent waveforms i n requi red freque ncy, to ignite and operate CCFL lamps. The OB332 8 provides a high deg ree of design flexibility by offering great program mability for key parameters which incl ude operating frequency, striking frequ ency, st riking time, bu...