ST STM32H7B3I-EVAL - Figure 19. 3 V3_SW and 1 V8_SW Ldos Schematic; Figure 20. VDDIO_MMC Switch Schematic

Figure 19. 3V3_SW and 1V8_SW LDOs schematic (page 20)
Figure 20. VDDIO_MMC switch schematic (Page 21)
UM2662
Power supply
UM2662 - Rev 1
page 26/95