KA7541 Description
KA7541 Simple Ballast Controller.
KA7541 Key Features
- Internal soft start Flexible soft start frequency No lamp protection Trimmed 1.5% internal bandgap reference Under volta
- + Vref VZ Ict + + 3V 8Ict 1V + +
- + Vref 2kΩ IS SQ Oscilator R latch Current mirror Frequency divider F.D IC Oscilator Internal bias IH Ik = IS / 6
- + Shut down signal
- VSS) / Vref IS = Vref / RS