改善低压大电流变换器动态性能的新方案

A Novel Approach to Improve the Low Voltage/High Current Converter Dynamic Response

提出一种新颖的采用DRC(DynamicLoadTransientResponseCircuit)辅助电路来改善低电压大电流变换器动态响应性能。通过一个小容量的能量存储电容和一个快速反应的误差放大器,可达到提高动态响应的效果。与传统方法相比,该法有成本低、空间小、效率高的特点。实验证明,DRC电路对提高动态响应有良好的效果。

The paper presents a novel transient response enhancement technique.A relatively small energy storage capacitor is used together with a fast error amplifier in this DRC circuit.Compared with other techniques,it is cheaper,smaller and of high efficiency.Test results validate the goodness of the DRC circuit.