Buck型LED驱动电路中电感器的选择

Select of Inductance in Buck LED Driving Circuit

介绍了BuckLED驱动电路对该电路中电感器的要求，分析了电感器损耗的组成及磁饱和现象产生的原因，讨论了工字型电感器参数对电感量的影响，从而给出了LED驱动电路中电感器的选择方法。

The reguest of inductance in Bcuk LED and producing a reason of magnetic saturation in driving circuit is introduced.The composition of loss inductance are analysed.The influence of inductance from parameter in H-model inductance is discussed,and select method of inductance is given