FA5541 5541 SOP8

Low Standby Power Quasi-Resonant Controller
Features
Internal 500V high voltage startup current source

Realized less than 1W input at 0.7W load by intermitting
Quasi-resonant operation, low noise and high efficiency
Numerous kind of protect functions

Specifications
Startup current source 7mA, 1.6mA at VCC=0V, 30uA at off