VCC power | VF LED voltage regulator, driving voltage, IF forward current.

VCC为电源|稳压器电压，VF为LED驱动电压，IF为顺向电流。

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Based on the characteristic of constant-current driving, the authors discussed the control method for the high power LED, designed and actualized a project which has comprehensive function.

根据大功率LED的恒流驱动特性，讨论了大功率LED的驱动控制方法，设计并实现了一种功能较全面的驱动控制方案。

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So we design new type high frequency impulse LED driving circuit using high-efficiency current-limiting technique, which increase the efficiency of LED driving circuit obviously.

因此设计新型高频脉冲led驱动电路，采用高效率的限流措施，显著提高LED驱动电路的效率。

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