BG1PGND2SENSE3SW4TG5BOOST6VID07VID18VID29RUN/SS10VON11PGOOD12VRNG13ITH14OPVIN15OP-16OP+17OPOUT18SGND19FCB20ION21VFB22VOSENSE23VID324VID425EXTVCC26VIN27INTVCC28