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AP2128K-2.8TRG1 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited

Part # AP2128K-2.8TRG1
Description  300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
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Manufacturer  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Direct Link  http://www.bcdsemi.com
Logo BCDSEMI - BCD Semiconductor Manufacturing Limited

AP2128K-2.8TRG1 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited

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300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2128
Data Sheet
1
Oct. 2009 Rev. 1.8
BCD Semiconductor Manufacturing Limited
Figure 1. Package Type of AP2128
SOT-23-5
General Description
The AP2128 Series are positive voltage regulator ICs
fabricated by CMOS process. The AP2128 provides
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
The AP2128 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.
AP2128 has 1.0V, 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V,
3.3V, 3.9V, 4.2V, 4.75V, 5.2V fixed voltage versions
and 0.8V to 5.5V adjustable voltage version.
AP2128 series are available in SOT-23-5 Package.
Features
·
Wide Operating Voltage: 2.5V to 6V
·
Low
Dropout
Voltage:170mV@300mA
for
VOUT=3.3V, 140mV@300mA for VOUT=5.2V
·
High Output Voltage Accuracy:
±2%
·
High Ripple Rejection:
68dB@ f=1kHz, 54dB@ f=10kHz
·
Low Standby Current: 0.1
µA
·
Low Quiescent Current: 60
µA Typical
·
Low Output Noise: 60
µVrms@VOUT=0.8V
·
Short Current Limit: 50mA
·
Over Temperature Protection
·
Compatible with Low ESR Ceramic Capacitor:
1
µF for CIN and COUT
·
Excellent Line/Load Regulation
·
Soft Start Time: 50
µs
·
Auto Discharge Resistance: RDS(ON)=60Ω
Applications
·
Datacom
·
Notebook Computers
·
Mother Board


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