TL3843DR-8 by TI Design and production,in SEMICON INTL HK CO LTD Spot sales,And can pass SEMICON INTL HK CO LTD Purchasing。TL3843DR-8 Price reference $ 1.400000。TL3843DR-8 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TL3843DR-8 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial