NCL30083 Description
Pin No Pin Name Function 1 SD Thermal Fold−back and shutdown 2 ZCD Zero Crossing Detection 3 CS Current sense 4 GND − 5 DRV Driver output 6 VCC Supplies the controlle.
NCL30083 Key Features
- Quasi-resonant Peak Current-mode Control Operation
- Primary Side Sensing (no optocoupler needed)
- Wide VCC Range
- Source 300 mA/Sink 500 mA Totem Pole Driver with 12 V Gate Clamp
- 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 Start-up Current (13 mA typ.)