Schematic for the LV5012MDGEVB Evaluation Board AC1 F1 33/1W AC INPUT R1 47/2W VR1 C1 0.033uF /AC275V D1 S1ZB60 R4 L2 10/1W 4.7mH C3 R21 Open AC2 R2 R3 56/2W 0 0.1uF/630V C2 47nF/630V 820/2W C5 4.7nF /630V L1 4.7mH D3 R5 R7 680k 470k R9 1.2k R10 12k U1 LV5012MD OUT 14 2 DML GND 3 NC 4 GND 150pF 2.7k R8 12k R11 7 VIN REF_IN ACS TRC REF_OUT 0 1 ALC_C F 3 0 R20 27k S LED- R16 22 Q1 NDD03N60 R12 12 LED+ C10 1000uF /35V 6 R17 100k D5 MBRS4201 2 R15 13 CS 11 ENB T1 1 4 HV 6 R6 MMSD103 1 5 C7 C12 4.7uF /50V (6 LEDs in series)×2parallel [LED: NICHIA NS6W083AT] R14 100k /1W D4 MURA160 C4 0.1Fu/630V Transformer T1 specifications Inductance value 1-3 inductance Lp = 2.0mH S-F inductance Ls = 42uH Turns ratio (4-6) : (S-F) = 1 : 1.18 10/15/2013 D2 MRA4005 R13 4.7Meg C11 2.2nF/AC250V 10 9 R18 8 C8 C9 0.1uF 1uF 0.91 R19 Open www.onsemi.com