Schematic for the LB11868VGEVB Evaluation Board PIN OUT2 8 Normal Wide R2 2 C2 10u/25V GND 8 7 6 5 Nch-D Nch-D Pch-D Pch-D FW344A FW344A 1 D3 1SMB5930B (NC) C1 10u/25V 5 Nch-S Nch-G Pch-S D1 R1 2 6 Nch-D Nch-D Pch-D Pch-D MBRA340 VCC 7 PIN OUT1 Rf1 0.47 Rf2 0.47 Rf3 0.47 Rf4 0.47 2 Pch-G 3 Nch-S Nch-G Pch-S 4 1 2 Pch-G 3 4 C3 R3 C4 R4 4700p 1k 4700p 1k R5 100 R6 0 R7 100 R8 0 D2 MBR140SF R26 1 C16 1u C17 0.47u S-S 16 KBSET 15 CT 14 IN+ 13 R27 (NC) R28 (NC) C18 1u PIN C19 6800p 12 HB 11 IN- 10 R23 10k RD 1k PIN SGND 17 9 1k FG R21 R22 RD 8 (NC) FG C14 0.1u R20 OTS S 7 (NC) G R16 (NC) REG 6 R19 D C12 0.1u C13 220p VTH CPWM R18 (NC) R15 (NC) C15 2.2u 18 5 Q1 3LN01SS(NC) RMI 10k R25 0 19 4 R17 CTL R13 (NC) LB11868V(TOP VIEW) 3 R14 (NC) 20 2 C11 1000p OUT1P OUT1N SGND 1 R12 10k OUT2P OUT2N VCC SENSE R11 1k IN+ PIN HB PIN IN- R24 10k SGND Line REG Line 12/23/2013 1 www.onsemi.com