LP2981-33DBVR by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。LP2981-33DBVR Price reference $ 0.239250。LP2981-33DBVR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LP2981-33DBVR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial