LM4950TS by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。LM4950TS Price reference $ 2.930830。LM4950TS - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LM4950TS Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial