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.

LM5045: LM5045 由原边控制改为副边控制

Part Number: LM5045
Other Parts Discussed in Thread: OPA170

砖类模块电源,使用LM5045控制器,datasheet推荐原边控制,过压保护也通过光耦反馈回原边下拉UVLO管脚;如果5045改为副边控制,原边MOS驱动方式通过隔离驱动芯片传递,因芯片内部无FB管脚,副边自行搭建OPA170,放大器的输出接LM5045的COMP管脚,使用电压模式控制,从理论判断方案可行,还请TI专家给出方案是否可行以及详细评估,谢谢!