Switching power supply or DC power to AC power through it will be a stable DC voltage source.

开关电源把直流电源或交流电源通过它可以获得一个稳定的直流电压源。

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Presents a constant current white LED driver for mining DC switching power supply to the mine under the DC power supply locomotives and miner's lamp.

提出了一种以恒定电流驱动白光led的矿用直流开关电源，给矿井下的直流电机车和矿灯供电。

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This paper introduces a kind of DC-DC PWM switching mode power supply driven by VMOS and applied to Program Exchange. The principle and circuit are presented.

介绍了一种用于程控交换机的由VMOS管驱动的DC - DC PWM开关电源的工作原理与电路设计。

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