LD3985M27R by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。LD3985M27R Price reference $ 0.234900。LD3985M27R - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LD3985M27R Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial