RUN/SS1SENSE1+2SENSE1-3EAIN4PLLFLTR5PLLIN6PHASMD7ITH8SGND9VDIFFOUT10VOS-11VOS+12SENSE2-13SENSE2+14PGOOD15TG216SW217BOOST218BG219PGND20INTVCC21EXTVCC22BG123VIN24BOOST125SW126TG127CLKOUT28