L6566BH Multimode controller for SMPS Features ■ Selectable multimode operation: fixed frequency or quasi-resonant ■ On-board 840 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 auto-restart) ■ Transformer saturation detection ■ Programmable frequency modulation for EMI reduction ■ Latched or auto-restart OVP ■ Brownout protection Figure 1.
Block diagram Datasheet — production data SO16N ■ -600/+800 mA totem pole gate driver with active pull-down during UVLO ■ SO16N package Applications ■ Industrial SMPS ■ SMPS r...

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