https://www.onsemi.com/download/data-sheet/pdf/ncp1342-d.pdf
The NCP1342 is a highly integrated quasi-resonant flyback controller suitable for designing high-performance off-line power converters. With an integrated active X2 capacitor discharge feature, the NCP1342 can enable no-load power consumption below 30 mW
APP
build
- optical-coupler-dat == Orient OR-1009-TP-G - NCP1342-dat