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AME8833AEEV320Z 参数 Datasheet PDF下载

AME8833AEEV320Z图片预览
型号: AME8833AEEV320Z
PDF下载: 下载PDF文件 查看货源
内容描述: 高PSRR器,150mA的CMOS LDO [High PSRR, 150mA CMOS LDO]
分类和应用:
文件页数/大小: 14 页 / 285 K
品牌: AME [ ANALOG MICROELECTRONICS ]
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AME, Inc.
AME8833/8834
High PSRR, 150mA CMOS LDO
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General Description
The AME8833 family of positive, linear regulators fea-
ture low quiescent current (50µA typ.) low dropout volt-
age and excellent PSRR, thus making them ideal for Tele-
communications and other battery applications. The ul-
tra-small SC-70 package is attractive for "Pocket" and
"Hand Held" applications.
AME8834’s output voltage can be adjusted with an
external resister divider.
These rugged devices have both Thermal Shutdown,
and Current Fold-back to prevent device failure under the
"Worst" of operating conditions.
As an additional feature, the AME8833/8834 is stable
with an output capacitance of just extended 0.22µF or
greater.
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Functional Block Diagram
IN
Overcurrent
Shutdown
OUT
Thermal
Shutdown
SHDN
R1
-
AMP
+
R2
Vref
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Features
l
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l
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Stable with only 0.22µF output Cap
Very Low Dropout Voltage
Guaranteed 150mA Output
Accurate to within 1.0%
GND
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50µA Quiescent Current
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Over-Temperature Shutdown
l
Current Limiting
l
Short Circuit Current Fold-back
l
Excellent PSRR (Typ. 70dB)
l
Power-Saving Shutdown Mode
l
Ultra-small SC-70 and SOT-25-L Package
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Factory Pre-set Output Voltages
l
Low Temperature Coefficient
l
Input Voltage Range (2V - 5.5V)
n
Typical Application
IN
SHDN
IN
OUT
GND
OUT
AME8833
C2
0.22µF
µ
C1
1µF
µ
n
Applications
l
l
l
l
l
l
l
l
l
l
Cellular Phones
Instrumentation
Portable Electronics
Wireless Devices
Cordless Phones
PC Peripherals
Battery Powered Widgets
Electronic Scales
Cameras
Telecommunications
OUT
IN
SHDN
IN
OUT
AME8834
GND
R1
V
REF
R2
C1
C2
1