The AP2121N-1.2TRE1 series are positive voltage regulator ICs fabricated by CMOS process. Each of these ICs consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection and a chip-enable circuit (5-pin products only).The AP2121N-1.2TRE1 series feature high supply voltage ripple rejection, low dropout voltage, low noise, high output voltage accuracy, and low current consumption which make them ideal for use in various battery-powered devices.The AP2121N-1.2TRE1 series have 1.2V, 1.3V, 1.5V, 1.8V, 2.5V, 2.8V, 2.85V, 3.0V, 3.2V and 3.3V versions.
Feature
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· Low Dropout Voltage at IOUT=100mA: 150mV Typical (Except 1.2V, 1.3V and 1.5V Versions)· Low Standby Current: 0.1μA Typical· Low Quiescent Current: 25μA Typical· High Ripple Rejection: 70dB Typical (F=1kHz)· Output Current: More Than 200mA (300mA Limit)· Extremely Low Noise: 30μVrms (10Hz to 100kHz)· Excellent Line Regulation: 4mV Typical· Excellent Load Regulation: 12mV Typical· High Output Voltage Accuracy: ±2%· Excellent Line Transient Response and Load Transient Response· Compatible with Low ESR Ceramic Capacitor (as Low as 1μF)
Applications
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· Mobile Phones, Cordless Phones· Wireless Communication Equipment· Portable Games· Cameras, Video Recorders· Sub-board Power Supplies for Telecom Equipment· Battery Powered Equipment
