The MCP1804 is a family of CMOS low dropout (LDO) voltage regulators that can deliver up to 150 mA of current while consuming only 25 µA of quiescent current (typical). The input operating range is specified from 2.0V to 10.0V, making it an ideal choice for two to six primary cell battery-powered applications, 9V alkaline and one or two cell Li-Ion-powered applications. The MCP1804 is capable of delivering 100 mA with only 200 mV (typical) of input to output voltage differential (VOUT = 3.3V). The output voltage tolerance of the MCP1804 at +25°C is typically ±0.4% with a maximum of ±2%. Line regulation is ±0.01% typical at +25°C. The LDO output is stable with a minimum of 1 µF of output capacitance. Ceramic, tantalum, or aluminum electrolytic capacitors can all be used for input and output. Overcurrent limit with current foldback provides short-circuit protection. A shutdown (SHDN) function allows the output to be enabled or disabled. When disabled, the MCP1804 draws only 0.01 µA of current (typical). Package options include the SOT-23-5 (SOT-25), SOT- 89-3, SOT-89-5, and SOT-223-3.
150 mA Maximum Output Current
Low Dropout Voltage, 200 mV typical @ 100 mA
25 µA Typical Quiescent Current
0.01 µA Typical Shutdown Current
Input Operating Voltage Range: 2.0V to 10.0V
Standard Output Voltage Options: - 0.9V, 1.2V, 1.8V, 2.5V, 3.0V, 3.3V, 5.0V, 6.0V