The AP2125K-1.8TRG1 series are 300mA, positive voltage regulator ICs fabricated by CMOS process. Each of these ICs is equipped with a voltage reference, an error amplifier, a resistor network for setting output voltage, a chip enable circuit, a current limit circuit and OTSD (over temperature shut down) circuit to prevent the IC from over current and over temperature.The AP2125K-1.8TRG1 series have features of high 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 apparatus.The AP2125K-1.8TRG1 have 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.15V and 4.2V fixed voltage versions.
Feature
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· Excellent Ripple Rejection: 70dB Typical (1.8V Version)· Low Dropout Voltage: 65mV (IOUT = 100mA, 3.3V Version)· Low Standby Current: 0.01μA Typical· Low Quiescent Current: 60μA Typical· Extremely Low Noise: 50μVrms Typical· Maximum Output Current: 300mA (Min.)· High Output Voltage Accuracy: ±2%· Compatible with Low ESR Ceramic Capacitor· Excellent Line/Load Regulation
Applications
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· CDMA/GSM Cellular Handsets· Battery-powered Equipments· Laptops, Palmtops, Notebook Computers· Hand-held Instruments· PCMCIA Cards· Portable Information Appliances
