R0 AC IN + 85Vac - 265Vac AC IN D0 Cin1 + + Cf ilt1 D CVDD Cin2 + Lin Cp Cc Rc COMP FB R VDD J1 LIM CONTROL RLIM GND DRAIN VIPER06H AF D1 Dz 1 3 2 T Daux Raux Cc1 4 Cf b TR 7,8 5,6 D2 COUT + VOUT Rf bL2 Rf bL1 Rf bH2 Rf bH1 GROUND Cf ilt2 12V/350mA STEVAL-ISA112V1 Schematic - AM11624v1