xianka5 4 3 2 1 2.5V NVVDD 1 1 1 1 1 1 1 1 1 1 D 1 3.3V D C852 10UF 2 2 C853 10UF 2 C358 2200PF 2 C359 2200PF 2 C360 2200PF 2 C137 10UF 2 C127 10UF 2 C361 2200PF 2 C362 2200PF 2 C363 2200PF 2 C370 2 2 0.33UF 1 C364 2200PF 1 1 C901 C139 10UF 2 2 0.33UF 1 C902 2200PF 1 1 1 1 1 C368 C367 2 2 0.33UF 2 0.33UF C369 0.33UF 1 C371 0.33UF 2 C365 2 2 0.33UF C366 0.33UF C C 3.3V TO-263 5-pin package Semtech EZ1581, Unisem US1150 1 NVVDD D801 DO201 3A NO STUFF U511 5 POWER 2 SENSE 1 D800 DO-214AB 3A 2 REG-PWR-IN 1 OUTPUT 3 1.9V@3A +/- 50mV B B ADJ 5V 4 CONTROL 6 6 1 R68 110R 2 1 1 + C827 + C828 470UF R055 1 C809 1UF 2 1 1 1 + C810 10UF ALE-B 330UF NO STUFF ALE-C 470UF ALE-D 1 1 + C844 + C808 C145 2 0.039UF FBADJ 2 470UF R055 NO STUFF 2……