LP2981A-28DBVR by TI Design and production,in Spot sales,And can pass Purchasing。LP2981A-28DBVR Price reference ¥ 1.825200。LP2981A-28DBVR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LP2981A-28DBVR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial