Light -emitting diode (LED) lighting driving circuit

The utility model provides a light -emitting diode (LED) lighting driving circuit, relates to LED drive field, includes and get electric rectification filter circuit and LED load from the commercial power, still includes the current regulator diode unit that comprises current -limiting resistor R1 and a plurality of current regulator diode CRD, a plurality of current regulator diode CRD establish ties with current -limiting resistor R1 parallelly connected back, the input of current regulator diode unit with the output of LED load is connected, forms the constant current branch road, the constant current branch road with rectification filter circuit is parallelly connected. Compared with the prior art, this application has reduced the use of transformer and interlock circuit, the drive circuit bulk reduction, and manufacturing cost reduces, and harmonic wave generated does not disturb simultaneously. 种LED照明驱动电路，涉及LED驱动领域，包括从市电中取电的整流滤波电路以及LED负载，还包括由限流电阻R1和多个恒流二极管CRD构成的恒流二极管单元，所述多个恒流二极管CRD并联后与限流电阻R1串联，恒流二极管单元的输