This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
偶然得到LM5176四开关buck-boost 加全桥隔离方案启动波形，comp电压延迟FB电压很多才开始有输出，非隔离的四开关拓扑一上电comp电压立即形成，请帮忙确认comp电压和什么变量有直接关系。比如VDD ok后COMP立即有电压，还是SS控制comp电压，datasheet中没有相关说明，谢谢！
Ch1—SS；Ch2—COMP；CH3—FB； CH4—Vo
Hi Comp脚是反馈FB与基准(包括启动得ss信号）比较放大输出得结果，如果你做成隔离，comp信号上拉，FB反应缓慢，comp首先出现的可能是上拉信号。
