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Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
General Description
Features
AP2128
The AP2128 series are positive voltage regulator ICs · Wide Operating Voltage: 2.5V to 6V
fabricated by CMOS process. The AP2128 provides · Low Dropout Voltage:170mV@300mA for
two kinds of output voltage operation modes for setting the output voltage. Fixed output voltage mode senses the output voltage on VOUT, adjustable output voltage mode needs two resistors as a voltage divider.
· ·
VOUT=3.3V, 140mV@300mA for VOUT=5.2V High Output Voltage Accuracy: ±2% High Ripple Rejection: 68dB@ f=1kHz, 54dB@ f=10kHz
The AP2128 series have features of low dropout · Low Standby Current: 0.