Primary-Side Control for DCM Flyback PS A primary-side controller for an isolated flyback power supply operating in discontinuous conduction mode (DCM) may use a primary-side winding to sense and to regulate the output voltage. PDF 다운로드 PDF 보기 Login Required A MyPI account is required to receive email notifications for document updates. Please login or register for an account to continue. Continue × 업데이트 알림 받기