Description
The AP2117 is positive voltage regulator IC designed by CMOS process. The AP2117 has features of low dropout voltage, low noise, high output voltage accuracy and low current consumption. It consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection, a circuit for over-temperature protection, and a chip enable circuit. Thus, the AP2117 is suitable for various power sources for portable application.

Features
 • High Ripple Rejection: 70dB at f=1KHz
 • Ultra Low Dropout Voltage: 0.3V Typical at IOUT=300mA
 • Low Operation Current: 80µA Typical
 • High Line Regulation: 4mV Typical
 • High Load Regulation: 12mV Typical at IOUT=300mA
 • High Output Voltage Accuracy: ± 2%
 • Output Voltage: 1.8V, 2.5V, 2.8V, 3.0V, 3.3V

Applications
 • Mobile Phones, Cordless Phones
 • Portable Games
 • Cameras
 • Portable AV Equipment
 • Battery Powered Equipment

Benefits
 • Low Noise
 • High PSRR
 • Very Competitive Price