基于纹波的恒定导通时间控制Buck变换器的精确环路增益模型

Ripple based constant on-time (RBCOT) control has been widely used in dc–dc buck converters over past years. However, there has been no accurate loop gain model to link the property of RBCOT controlled buck converter to existing knowledge about basic feedback control principles like crossover frequency (Fc) and phase margin so far. The previously reported stability criterion for the output capacit...