5 4 3 2 1 D D 1 PGOOD 2 3 4 SENSE- 5 ITH 6 VOSENSE INTVCC 19 7 SGND BG1 18 8 RUN PGND 17 C 1 2 9 3 BOOST1 24 SS TG1 23 SENSE+ SW1 22 VIN 21 EXTVCC 20 C FCB BG2 16 10 PLLFLTR SW2 15 11 PLLIN TG2 14 12 STBYMD BOOST2 13 B B 1 2 3 1 2 3 A A 5 4 3 2 1 5 4 3 2 1 D D 78 56 2 C 4 C 1 3 56 78 4 2 3 1 B B A A 5 4 3 2 1