AME8800_02 データシートの表示（PDF） - AME, Inc
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AME8800_02 Datasheet PDF : 20 Pages
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AME, Inc.
AME8800 / 8811
300mA CMOS LDO
n General Description
The AME8800/8811 family of positive, linear regula-
tors feature low quiescent current (30µA typ.) with low
dropout voltage, making them ideal for battery applica-
tions. The space-saving SOT-23, SOT-25, SOT-89 and
TO-92 packages are attractive for "Pocket" and "Hand
Held" aplications.
These rugged devices have both Thermal Shutdown,
and Current Fold-back to prevent device failure under
the "Worst" of operating conditions.
The AME8800/8811 is stable with an output capacitance
of 2.2µF or greater.
n Features
l Very Low Dropout Voltage
l Guaranteed 300mA Output
l Accurate to within 1.5%
l 30µA Quiescent Current
l Over-Temperature Shutdown
l Current Limiting
l Short Circuit Current Fold-back
l Space-Saving SOT-23, SOT-25, SOT-89 and
TO-92 Package
l Factory Pre-set Output Voltages
l Low Temperature Coefficient
n Functional Block Diagram
IN
Overcurrent
Shutdown
Thermal
Shutdown
OUT
R1
AMP
Vref=1.215V
R2
GND
n Applications
l Instrumentation
l Portable Electronics
l Wireless Devices
l Cordless Phones
l PC Peripherals
l Battery Powered Widgets
l Electronic Scales
n Typical Application
IN
5V
AME8800
IN AME8811 OUT
GND
C1
1 µF
OUT
C2
2 . 2 µF
1
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