The SAM L10/L11 requires a single
supply from 1.62V to 3.63V.
The following figures show the recommended power supply
connections for two voltage regulators use cases:
Figure 1. Power
Supply Connections for Linear (LDO) Mode Only
Note: Refer to "Schematic Checklist" chapter for additional information.
Figure 2. Power
Supply Connections for Switching (BUCK) / Linear (LDO) Modes
Note: Refer to "Schematic Checklist" chapter for additional information.