Schematic for the LV56351HAGEVB Evaluation Board VCC=12V F1 C1 10uF/ 25V LDOIN (DC/DCOUT) C5 R2 0.1uF R6 5.1k 240k C7 43k 12 L1 VCC 22uH NRS5040T 220MMGK 220pF 5 R8 Open D1 IN1 SB1003M3 C2 LV56351HA R5 R1 6.8k 10uF/ 35V 22k C6 Tr1 3900pF 6 FB 9 SCP Open SCP C4 8 R7 LDOOUT =16.5V LDOOUT PGOOD R4 10k PGOOD 82k EN 11 EN DDCTL 10 DDCTL 39k SGND PGND 7 Fin C3 4.7uF/ 4.7uF/ 25V 25V IN2 R9 R3 Open LDO 10k 15V/11V CTL DC/DC Boost Converter LDOIN 0.01uF V1 LDOIN (DC/DCOUT) =17.5V SW Tr2 Tr1 Gate & Tr2 Gate Open Open (It is not used) 3/13/2014 -1- www.onsemi.com