AME, Inc.
AME8824
300mA CMOS LDO
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General Description
The AME8824 family of positive, linear regulators fea-
ture low quiescent current (30µA typ.) with low dropout
voltage, making them ideal for battery applications. The
space-saving SOT-26 package are attractive for "Pocket"
and "Hand Held" applications.
These rugged devices have both Thermal Shutdown,
and Current Fold-back to prevent device failure under the
"Worst" of operating conditions.
The SOT-26 version also features a "Power Good" de-
tector, which pulls low when the output is out of regula-
tion.
The AME8824 is stable with an output capacitance of
2.2µF or greater.
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Functional Block Diagram
IN
OUT
Overcurrent
Shutdown
Thermal
Shutdown
EN
Vref x110%
PG
ADJ
AMP
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Features
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Very Low Dropout Voltage
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Guaranteed 300mA Output
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Typical accuracy within 2%
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30µA Quiescent Current
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Over-Temperature Shutdown
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Current Limiting
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Short Circuit Current Fold-back
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Power Good Detector (6 pin version only)
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Power-Saving Shutdown Mode
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Space-Saving SOT-26
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Adjustable Output Voltages
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Low Temperature Coefficient
IN
Vref x90%
Vref =1.2V
GND
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Typical Application
EN
IN
PG
OUT
OUT
C2
R1
100p
C3
2.2µF
R2
AME8824
GND
ADJ
C1
5V
1µF
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Applications
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Instrumentation
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Portable Electronics
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Wireless Devices
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Cordless Phones
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PC Peripherals
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Battery Powered Widgets
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Electronic Scales
V
OUT
= 1.2 (R1 +R2)/R2
C2 is unnecessary when R1 or R2 < 20K
PG pin is only available in the SOT-26 package option
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AME [ ANALOG MICROELECTRONICS ]
