Schematic for the LV5636VHGEVB Evaluation Board VCC=12V C1 F1 4.7uF/ 25V 3.15A LDOIN (DC/DCOUT) C5 C4 0.1uF 12 L1 VCC 10uH NRS4018T 5 SB1003M3 LV5636VH 1kΩ C6 D1 IN R2 4700pF LDOIN (DC/DCOUT) =16.5V/12.3V SW 14 R1 100pF 2.2kΩ 6 FB 8 PGOOD 9 PGDLY 11 EN C2 4.7uF/ 4.7uF/ 25V 25V PGOOD V1 R3 DC/DC Boost Converter LDOIN 2 10kΩ PGDLY C7 High Enable EN 15V/11V CTL 10 CTL LDOOUT =15.9V/11.7V LDOOUT 1 4.7uF C3 4.7uF/ 25V SGND PGND 7 Fin 4.7uF/ 25V LDO High：LDOOUT=15.9V Low：LDOOUT=11.7V 3/13/2014 -1- www.onsemi.com