LP2981-28DBVT by TI Design and production,in Spot sales,And can pass Purchasing。LP2981-28DBVT Price reference ¥ 1.825200。LP2981-28DBVT - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LP2981-28DBVT Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial