UC3861DW by TI Design and production,in CHUNG ZE Internation Technology Limited Spot sales,And can pass CHUNG ZE Internation Technology Limited Purchasing。UC3861DW Price reference $ 1.120000。UC3861DW - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information UC3861DW Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial