Schematic for the NCP1607BOOST Evaluation Board RSTART1 RSTART2 DBOOST NTC J3 LBOOST t BRIDGE R1 + F1 L1 C3 D1 RCTUP1 ~ ~ RO1A DAUX CVCC + DVCC CIN L2 RZCD - J2 C1 C2 RO1B RCTUP2 CBULK J1 + CCOMP U1 NCP1607 CVCC2 DDRV CCOMP1 1 FB Vcc 8 2 Control DRV 7 3 Ct GND 6 4 CS ZCD 5 RCOMP1 Q1 RDRV ROUT2B ROUT2A RCT RCS CT2 Revision 0 - 1/21/2009 CT1 -1- CCS CZCD RS1 RS2 RS3 www.onsemi.com