NCL30080 Description
Pin No Pin Name Function 1 ZCD Zero Crossing Detection 2 GND − 3 CS Current sense 4 DRV Driver output 5 VCC Supplies the controller 6 VIN Input voltage sensing Brown−Out Pin Description Connected to the auxiliary winding; this pin detects the core reset event. The controller ground This pin monitors the primary peak current The current capability of the totem pole gate drive (+0.3/−0.5 A) makes it suitable to...
NCL30080 Key Features
- Quasi-resonant Peak Current-mode Control Operation
- Primary Side Sensing (no optocoupler needed)
- Wide VCC Range
- Precise LED Constant Current Regulation ±1% Typical
- Line Feed-forward for Enhanced Regulation Accuracy
- Low LED Current Ripple
- 250 mV ±2% Guaranteed Voltage Reference for Current Regulation
- ~ 0.9 Power Factor with Valley Fill Input Stage
- Low LED Current Ripple
- Source 300 mA / Sink 500 mA Totem Pole Driver with 12 V Gate