AME8841OEHA(2001) 查看數據表（PDF） - AME, Inc
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AME8841OEHA Datasheet PDF : 10 Pages
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Analog Microelectronics, Inc.
AME8841
600mA CMOS LDO
n General Description
The AME8841 linear regulator features low quiescent cur-
rent (30µA typ.) with low dropout voltage, making it ideal
for battery applications. The space-saving SO-8 pack-
age is attractive for "Pocket” and "Hand Held" applica-
tions.
These rugged devices have both Thermal Shutdown,
and Current Fold-back to prevent device failure under
the "Worst" of operating conditions.
The AME8841 is stable with an output capacitance of
2.2µF or greater.
n Features
l Very Low Dropout Voltage
l Guaranteed 600mA 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 Power-Saving Shutdown Mode
l Space-Saving SO-8 Package
l Many fixed output voltages available
l Low Temperature Coefficient
n Applications
l Instrumentation
l Portable Electronics
l Wireless Devices
l Cordless Phones
l PC Peripherals
l Battery Powered Widgets
l Electronic Scales
n Pin Configuration
SO-8 Top View
OUT
NC
IN
GND
AME
EN
8841
NC
OUT
NC
n Functional Block Diagram
IN
OUT
Overcurrent
Shutdown
Thermal
Shutdown
EN
R1
AMP
n Typical Application
IN
5V
IN
OUT
AME8841
GND
EN
C1
1 µF
OUT
C3
2 . 2 µF
V ref= 1 . 2 1 5 V
R2
GND
1
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