适合航天电子系统应用的DC－DC变换器

A DC-DC Converter for Aerospace Electronic Systems

讨论了航天ＤＣ－ＤＣ混合集成电路的拓朴结构。通过对几种电路的性能比较，提出了适合航天应用的ＤＣ－ＤＣ变换器的最佳拓朴结构。论述了ＰＷＭ－ＬＩＮ变换器的控制方法，该方法对于确保二次稳压ＤＣ－ＤＣ变换器较高的效率具有重要意义，亦可大大提高混合集成电路的成品率。

Hybrid IC's of DC-DC converter for aerospace applications are discussed. Based on the comparison of the performances of some circuits, an optimal topology of the DC-DC converter suitable for aerospace electronic systems is proposed. The control principle of PWM-linear converter is described. This technique is significant to ensure higher efficiency of secondary stabilizing DCDC converters and it can also greatly improve the yield of hybrid IC' s.