Typical Application for MCP1727 1.5A, Low Voltage, Low Quiescent Current LDO Adjustable Output Voltage Regulator. The MCP1727 is a 1.5A Low Dropout (LDO) linear regulator that provides high current and low output voltages in a very small package. The MCP1727 comes in a fixed (or adjustable) output voltage version, with an output voltage range of 0.8V to 5.0V