PGND1PGND2PGND3PGND4PGND5VIN6VIN7RUN8SGND9MODE/SYNC10PGOOD11PGDFB12IMON13VINREG14RT15VOUT16ISET17ITH18EXTVCC19INTVCC20BOOST21SW22SW23SW24SW25SW26SW27SW28SGND29