AC-DC LED Drivers | NCL30081
用于 LED 照明的步进调光准谐振初级侧电流模式控制器
Obsolete
概览
NCL30081 是一款 PWM 电流模式控制器，用于绝缘折回和非绝缘降压-升压恒流拓扑结构。该控制器以准谐振模式运行，可提供高能效。由于新型控制方法，该器件能够精确调节初级侧的恒定 LED 电流。因此无需辅助侧反馈电路、偏置和光耦合器。 此控制器集成了 5 步进调光，可使用标准墙壁式开关对 LED 灯泡进行调光。
- Integral LED Driver Electronics
- LED Bulbs and Downlights
- LED Driver Power Supplies
- Electronic Control Gear for LEDs
- Primary Side Sensing
- Wide VCC Range
- Precise LED Current Regulation of ±1% typical
- ~ 0.90 PF with passive valley fill
- Open and shorted output protection
- Secondary Diode Short Protection
- Shorted Current Sense Fault Detection
- Input Line Voltage Sensing
- Auto-recoverable (B-version) and Latched (A-version) fault handling
- Wide Temperature range of -40 to 125 °C
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