LM397MF by TI Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。LM397MF Price reference $ 0.522000。LM397MF - 。You can download LM397MF Chinese information、Pin map、DatasheetData sheet function specification,In the information LM397MF Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial