Power driving circuit and LED fluorescent tube

The utility model discloses a power driving circuit and LED fluorescent tube, this power driving circuit includes: voltage input end, the 2nd voltage input end, simulation filament, rectifier circuit and DC conversion filter circuit, wherein, the simulation filament includes first simulation filament and second simulation filament, make this power driving circuit can compatible electronic ballast, promptly by electronic ballast provide voltage, first simulation filament and second simulation filament adopt the self -resuming fuse, have improved the compatibility of this power driving circuit to different types of electronic ballast more. On the other hand, the utility model discloses a LED fluorescent tube, this LED fluorescent tube not only can compatible electronic ballast, have still improved the compatibility to different types of electronic ballast. 本实用新型公开了种电源驱动电路及LED灯管，该电源驱动电路包括：第电压输入端、第二电压输入端、模拟灯丝、整流电路和直流变换滤波电路，其中，模拟灯丝包括第模拟灯丝和第二模拟灯丝；使得该电源驱动电路可以兼容电子镇流器，即由电子镇流器提供电压；第模拟灯丝和第二模拟灯丝采用自恢复保险丝，更加提高了该电源驱动电路对不同种类