AP2126_09 Datasheet, PDF (1/12 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
AP2126
The AP2126 series are positive voltage regulator ICs
fabricated by CMOS process.
The AP2126 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.
AP2126 is available in 1.25V to 5.5V adjustable
voltage versions.
AP2126 series are available in SOT-23-5 Package.
· Wide Operating Voltage: 3.0V 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: 80μVrms@V_OUT=1.25V
· 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
Sep. 2012 Rev. 1. 5
SOT-23-5
Figure 1. Package Type of AP2126
BCD Semiconductor Manufacturing Limited
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