LM317AMDT by Texas Instruments Design and production,in Shenzhen BaiWon Electronics Co., Ltd. Spot sales,And can pass Shenzhen BaiWon Electronics Co., Ltd. Purchasing。LM317AMDT Price reference $ 3.631200。LM317AMDT - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LM317AMDT Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial