MCP1703 250 mA, 16V, Low Quiescent Current LDO Regulator Features: Description: 2.0 A Typical Quiescent Current The MCP1703 is a family of CMOS low dropout (LDO) voltage regulators that can deliver up to 250 mA of Input Operating Voltage Range: 2.7V to16.0V current while consuming only 2.0A of quiescent 250 mA Output Current for Output Voltages 2.5V current (typical). The input operating range is specified 200 mA Output Current for Output Voltages < 2.5V from 2.7V to 16.0V, making it an ideal choice for two to Low Dropout Voltage, 625 mV typical 250 mA six primary cell battery-powered applications, 9V for V = 2.8V R alkaline and one or two cell Li-Ion-powered 0.4% Typical Output Voltage Tolerance applications. Standard Output Voltage Options: The MCP1703 is capable of delivering 250 mA with - 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.0V, only 625mV (typical) of input to output voltage 5.0V = 2.8V). The output voltage tolerance differential (V OUT Output Voltage Range: 1.2V to 5.5V in 0.1V of the MCP1703 is typically 0.4% at +25C and 3% maximum over the operating junction temperature Increments (50 mV increments available upon range of -40C to +125C. Line regulation is 0.1% request) typical at +25C. Stable with 1.0 F to 22 F Ceramic Output Capacitance Output voltages available for the MCP1703 range from 1.2V to 5.5V. The LDO output is stable when using only Short-Circuit Protection 1F of output capacitance. Ceramic, tantalum, or Overtemperature Protection aluminum electrolytic capacitors can all be used for input and output. Overcurrent limit and overtemperature Applications: shutdown provide a robust solution for any application. Battery-Powered Devices Package options include the SOT-223-3, SOT-23A, 2x3 DFN-8, and SOT-89-3. Battery-Powered Alarm Circuits Smoke Detectors Package Types 2 CO Detectors Pagers and Cellular Phones 2x3 DFN-8 * 3-Pin SOT-23A Smart Battery Packs V IN V 1 8 V OUT IN Low Quiescent Current Voltage Reference 3 NC 2 7 NC EP PDAs 9 NC 3 6 NC Digital Cameras GND NC 4 5 Microcontroller Power 1 2 Solar-Powered Instruments GND V OUT Consumer Products Battery-Powered Data Loggers 3-Pin SOT-89 SOT-223-3 V Related Literature: IN AN765, Using Microchips Micropower LDOs, DS00765, Microchip Technology Inc., 2002 AN766, Pin-Compatible CMOS Upgrades to 2 1 3 Bipolar LDOs, DS00766, 1 2 3 Microchip Technology Inc., 2002 GND V V IN OUT V IN GND V OUT AN792, A Method to Determine How Much Power a SOT23 Can Dissipate in an Application, * Includes Exposed Thermal Pad (EP) see Table 3-1. DS00792, Microchip Technology Inc., 2001 2011 Microchip Technology Inc. DS22049F-page 1MCP1703 Functional Block Diagrams MCP1703 V V IN OUT Error Amplifier +V IN Voltage - Reference + Overcurrent Overtemperature GND Typical Application Circuits MCP1703 V OUT 3.3V V OUT I OUT C 50 mA OUT V IN 1F Ceramic V V IN IN + 9V C IN Battery 1F Ceramic GND DS22049F-page 2 2011 Microchip Technology Inc.