资 源 简 介
The MCP1802 is a family of CMOS low dropout (LDO)voltage regulators that can deliver up to 300 mA ofcurrent while consuming only 25 μA of quiescentcurrent (typical). The input operaTIng range is specifiedfrom 2.0V to 10.0V, making it an ideal choice for two tosix primary cell battery-powered applicaTIons, 9V alkalineand one or two cell Li-Ion-powered applicaTIons.The MCP1802 is capable of delivering 100 mA withonly 200 mV (typical) of input to output voltage differenTIal(VOUT = 3.0V). The output voltage tolerance of theMCP1802 at +25°C is typically ±0.4% with a maximumof ±2%. Line regulation is ±0.01% typical at +25°C.The LDO output is stable with a minimum of 1 μF of outputcapacitance. Ceramic, tantalum or aluminum electrolyticcapacitors can all be used for input and output.Overcurrent limit with current foldback provides shortcircuitprotection. A shutdown (SHDN) function allowsthe output to be enabled or disabled. When disabled,the MCP1802 draws only 0.01 μA of current (typical).The MCP1802 is available in a SOT-23-5 package.
