3.1.1 Voltage Regulators (U201)

An on-board voltage regulator (MCP1727) generates +3.3V. This is used only when the USB supplies 5V to the WILCS02-SD board.

• U201 – Generates +3.3V that powers the WILCS02PE module along with the associated circuits.

For more details on the MCP1727 voltage regulators, refer to the MCP17271.5A, Low Voltage, Low Quiescent Current LDO Regulator Data Sheet (DS21999).

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