基于TOP227的开关稳压电源实验研究

The experimental research on switching voltage stabilized power based on TOP227

介绍了单片开关电源的电路主要原理,并提出设计和实际中需注意的问题.实验结果可知,基于TOP227设计的开关稳压电源负载调整率、电压调整率均可达0.5%,实际DC-DC效率可高达75%以上.

This article presents the main principles of single-chip switching power source circuit and puts forward some problems which should be paid attention in design and practice. By experiment, it is known that the loads adjustment rate and voltage adjustment rate of switching power reach to 0.5% , and the actual efficiency of DC-DC is as high as 75%.