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AME8822AEVT250Z

Description
High PSRR, 250mA CMOS LDO
File Size238KB,21 Pages
ManufacturerAnalogMicroElectronics,Inc.(AME)
AMT was founded in Taiwan in November 2000 and merged into AMT Microelectronics, Inc., a US company located in Silicon Valley, California, USA. Its stock was officially listed for public trading in March 2004.
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AME8822AEVT250Z Overview

High PSRR, 250mA CMOS LDO

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AME
AME8822
n
General Description
The AME8822 family of positive, linear regulators fea-
ture low quiescent current (30µA typ.) low dropout volt-
age and excellent PSRR, thus making them ideal for tele-
communications and other battery applications.
These rugged devices have both thermal shutdown and
current limit to prevent device failure under the "Worst"
operating conditions.
The AME8822 is stable with an output capacitance of
1µF or larger.
EN
R1
High PSRR, 250mA CMOS LDO
n
Functional Block Diagram
IN
Overcurrent
Shutdown
OUT
Thermal
Shutdown
-
+
AMP
n
Features
R2
l
Very Low Dropout Voltage
l
Fast Turn on Time 100µS(Typ.)
l
Guaranteed 250mA Output
l
30µA Quiescent Current
l
Over-Temperature Shutdown
l
Excellent PSRR (Typ. 65dB)
l
Power-Saving Shutdown Mode in SOT-25,
TSOT-25A, SOT-23, TSOT-23A & SC-70-5
DFN-4A Packages
l
Low Temperature Coefficient
l
Green Products Meet RoHS Standards.
C1
1µF
Vref
GND
n
Typical Application
IN
EN
IN
OUT
AME8822
OUT
GND
C2
1µF
n
Applications
l
Instrumentation
l
Portable Electronics
l
Wireless Devices
l
PC Peripherals
C1
1µF
IN
IN
OUT
AME8822
OUT
GND
C2
1µF
Rev.F.04
1
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