使用标准PWM控制器的白色LED驱动电路的离线应用

White LED Driver Circuits for Off-Line Applications using Standard PWM Controllers

White LED Driver Circuits for Off-Line
Applications using Standard PWM Controllers
Application Note February 12, 2009 AN1387.0



Introduction The LED Ballast
As high-efficiency ultra-bright white LEDs come down in Fortunately, there are many power supply topologies suitable
cost, they are approaching cost parity with conventional for this application. Virtually any topology having a series
mercury vapour, HID quartz