PGND1PGND2VIN3VIN4RUN5SGND6MODE/SYNC7PGOOD8PGDFB9IMON10VINREG11RT12VOUT13ISET14ITH15EXTVCC16INTVCC17BOOST18SW19SW20SW21SW22SW23SW24SW25PGND26PGND27PGND28SGND29