The Constant-currentCircuit design and make the products with a steady LED current, that extend the using life.
恒流电路设计,使产品具有稳定的LED电流,最大限度延长灯使用寿命。
2
A fairly basic circuit (left as an exercise, but it's not difficult) can take the control voltage and output a constantcurrent which is proportional to the voltage.
一个相当基础的电路(留作练习,不过并不难)处理控制电压并输出与电压成比例的恒流。
3
Two charge ways are commonly taken in charge circuit, charge with constant voltage and charge with constant current.