L4981AD013TR by STMicroelectronics Design and production,in Shenzhen Tuoyue Electronics Co., Ltd. Spot sales,And can pass Shenzhen Tuoyue Electronics Co., Ltd. Purchasing。L4981AD013TR Price reference $ 0。L4981AD013TR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information L4981AD013TR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial