GND EN TP6 TP5 J1 R4 0 4.7uF 100V C1 VIN 4.7uF 100V C2 TP3 1uF 100V C3 TP2 1uF 100V C4 SYNCH 22nF C10 R9 NM R8 47k 11 10 6 5 4 2 3 7 U1 ILIM FSW SS EN VCC VIN VIN SYNCH GND 16 TP 17 L7987 NM COMP FB LX LX BOOT VBIAS PGOOD D1 100nF C7 R3 0 STPS3L60 8 9 13 14 15 1 12 C11 power GND R10 N.M. 1nF 620 C9 L1 signal GND R6 J3 33nF 10uH R2 R7 R11 2.2k R5 J2 100k 68 6.8k C8 10nF 47uF C5 R1 NM GSPG08112013DI1045 C6 TP7 TP4 TP1 GND VOUT PGOOD STEVAL-ISA152V1 Schematic diagram