转发：[电源管理] TI大牛Dan Mitchell作品 Designing Stable Control Loops

mazhao1982 · 发表于 2010-9-15 15:02:12

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Designing Stable Control Loops
By Dan Mitchell and Bob Mammano

ABSTRACT

The objective of this topic is to provide the designer with a practical review of loop compensation techniques applied to switching power supply feedback control. A top-down system approach is taken starting with basic feedback control concepts and leading to step-by-step design procedures, initially
applied to a simple buck regulator and then expanded to other topologies and control algorithms. Sample designs are demonstrated with Mathcad simulations to illustrate gain and phase margins and their impact on performance analysis.