onsemi PFC (Power Factor Correction) NCP1623CDR2G

The NCP1623CDR2G is a Power Factor Correction (PFC) integrated circuit designed for high efficiency in both Critical Conduction Mode (CrM) and Discontinuous Conduction Mode (DCM). It features Valley Synchronized Frequency Fold-back (VSFF) for improved performance under varying load conditions, allowing for on-time modulation to enhance power factor across different operational states. The device includes a skip mode for light load regulation and a sleep mode that minimizes current consumption, making it suitable for applications requiring energy efficiency. Protection features include over current protection (OCP), over stress protection (OVS), brown out protection, and a second over voltage protection (OVP2). The NCP1623CDR2G is packaged in a Pb-free SOIC-8 format, making it compliant with environmental regulations. Typical applications include USB Power Delivery, flat-screen televisions, industrial power supplies, and various off-line appliances that require power factor correction.