AC IN AC IN R6 6.2K 22 1W R1 N.C. R5 FB/ZCD 2.5V CDC - + C5 1nF 470uH R7 10k C6 470nF D2 C2 4.7uF 400V 0 C7 4.7nF GND CURRENT CONTROL R2 120K SOURCE R8 1.2 D7 STTH1L06 C3 1nF DRAIN R4 ALTAIR 05 BAT46 IREF VDD C4 10uF C1 4.7uF 400V COMP C9 100nF 30K R3 BR MB6S-RC L1 T1 2.2nF - YCap C10 STPS3L40UF D7 R9 1.3k GND C8 1000uF Low ESR 5V - 1A STEVAL-ISA176V1 Schematic diagram GSPG0710151050SG