ST L6566A Multi-mode controller for SMPS with PFC front-end Manual(1)(1)
The L6566A is a multi-mode controller for SMPS with PFC front-end. It offers multiple selectable operation modes including fixed frequency and quasi-resonant mode. It also features 700 V high-voltage startup, advanced light load management, low quiescent current (< 3 mA), adaptive UVLO, line feedforward for constant power capability vs. mains voltage, pulse-by-pulse OCP, shutdown on overload (latched or autorestart), transformer saturation detection, switched supply rail for PFC controller, latched or autorestart OVP, brownout protection and a -600/+800 mA totem pole gate driver with active pull-down during UVLO.
