节点文献
一种新的电流极限可调状态机电路
A Current Limit Regulated State Machine Circuit
【机构】 电子科技大学;
【摘要】 本文提出一种新的电流极限可调状态机电路,用于含有PFM控制器和功率MOSFET的单片电源管理集成电路,以设置电流极限值。采用自适应方式和电流极限比较器相结合,使其工作在安全工作区.模拟结果表明本状态机具有高响应度、低误动作等特点。
【Abstract】 A kind of state machine circuit is presented which can be used in switching power integrated circuit combining of PFM controller and power MOSFET. it is used to set current limit value and make chip work in safety work area integrated with current limit computuorin method of adaptation After simulating, it is stated that the state machine have the characters of high responsibility and low error action
【关键词】 电流极限比较器;
频率调制;
脉宽调制;
【Key words】 current limit comparator; pulse frequency modulate; pulse width modulate;
【Key words】 current limit comparator; pulse frequency modulate; pulse width modulate;
- 【会议录名称】 展望新世纪——’02学术年会论文集
- 【会议名称】’02学术年会
- 【会议时间】2002-04
- 【分类号】TN492
- 【主办单位】四川省电工技术学会电力电子学会、成都电力电子学会