NCL30080
准谐振初级端电流模式控制器用于LED照明
制造商:ON
产品信息
NCL30080是PWM电流模式控制器,用于隔离型反激和非隔离型降压-升压恒流拓扑结构。这控制器采用准谐振模式工作,以提供高能效。由于采用新颖的控制方法,NCL30080能在初级端精确地对LED电流进行稳流,这就省去次级端反馈电路、偏置及光耦。
- Primary Side Sensing
- Wide Vcc Range
- Precise LED Current Regulation of 1% typical
- ∼ 0.9 PF with passive valley fill
- Open and shorted output protection
- Secondary Diode Short Protection
- Wide Temperature range of -40 to 125 °C
- Shorted Current Sense Fault Detection
- Input Line Voltage Sensing
- Auto-recoverable and Latched versions