本文主要对步进式可调直流稳压电源作一个简单的介绍，目的在于实现输出直流电压的步进式可调。摆脱传统稳压电源单一输出的弊端，通过控制时钟脉冲来实现可调变换的直流输出。经过检测调试无误后可以制作出硬件实物，进而生产出电子成品，从而使人们的工作生活轻松简易化。-This paper focuses on step adjustable DC power supply for a brief introduction, the aim of achieving the output DC voltage step-adjustable. From the traditional shortcomings of single output power supply by controlling the clock to achieve the transformation of the DC output adjustable. Tested after commissioning can produce correct physical hardware, and then to produce electronic products, so that people easily simplified work life.