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串联型开关稳压器,比一般线性稳压器的效率有很大提高。但它的过流保护采样元件和并联调整管的平衡元件,若用串联线性稳压器的方法——用电阻实现,则在低电压,大电流的稳压电路中,这两个环节所产生的损耗与输出功率相比就很可观了。这就使开关稳压器高效的特点不能充分发挥出来。
Series switching regulator, compared to the general linear regulator has greatly improved the efficiency. However, its over-current protection sampling components and parallel adjustment of the balanced components of the pipe, if the method of using a series linear regulator - with resistance to achieve, then the low-voltage, high-current regulator circuit, the two links generated The loss compared with the output power is very impressive. This makes the switching regulator is not efficient and can not give full play to its features.