AP2127_09 Datasheet, PDF (1/18 Pages) BCD Semiconductor Manufacturing Limited – 300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR

Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
General Description
Features
AP2127
The AP2127 Series are positive voltage regulator ICs
fabricated by CMOS process.
The AP2127 Series have features of low dropout
voltage, low noise, high output voltage accuracy, and
low current consumption which make them ideal for
use in various battery-powered devices.
AP2127 has 1.0V, 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V,
3.3V, 4.2V, 4.75V, 5.2V fixed voltage versions and
0.8V to 5.5V adjustable voltage versions.
AP2127 series are available in SOT-23-5 Package.
· Wide Operating Voltage: 2.5V to 6V
· High Output Voltage Accuracy: ±2%
· High Ripple Rejection:
68dB@ f=1kHz, 54dB@ f=10kHz
· Low Standby Current: 0.1µA
· Low Dropout Voltage: 170mV@300mA for
V_OUT=3.3V, 140mV@300mA for V_OUT=5.2V
· Low Quiescent Current: 60µA Typical
· Low Output Noise: 60µVrms@V_OUT=0.8V
· Short Current Limit: 50mA
· Over Temperature Protection
· Compatible with Low ESR Ceramic Capacitor:
1µF for C_IN and C_OUT
· Excellent Line/Load Regulation
· Soft Start Time: 50µs
· Auto Discharge Resistance: R_DS(ON)=60Ω
Applications
· Datacom
· Notebook Computers
· Mother Board
Oct. 2009 Rev. 1.3
SOT-23-5
Figure 1. Package Type of AP2127
BCD Semiconductor Manufacturing Limited
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