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參數(shù)資料
| 型號(hào)： | AME8817AEDZ475 |
| 廠商： | AME, Inc. |
| 英文描述： | 1.5A CMOS LDO |
| 中文描述： | 1.5A的CMOS低壓 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大?。?/td> | 81K |
| 代理商： | AME8817AEDZ475 |
Analog Microelectronics, Inc.
1
AME8817
1.5A CMOS LDO
PRELIMINARY
n
Typical Application
n
Functional Block Diagram
n
Features
l
Very Low Dropout Voltage
l
Guaranteed 1.5A Output
l
Accurate to within 1.5%
l
35
μ
A Quiescent Current Typically
l
Over-Temperature Shutdown
l
Current Limiting
l
Short Circuit Current Fold-back
l
Noise Reduction Bypass Capacitor
l
Power Good Output
l
Power-Saving Shutdown Mode
l
Space-Saving DDPAK-7 Package
l
Low Temperature Coefficien
t
n
General Description
The AME8817 family of positive, linear regulators fea-
ture low quiescent current (35
μ
A typ.) with low dropout
voltage, making them ideal for battery applications.
Output voltages are set at the factory and trimmed to
1.5% accuracy.
These rugged devices have both thermal shutdown, and
current fold-back to prevent device failure under the "worst"
of operating conditions.
In applications requiring a low noise, regulated supply,
place a 1000pF capacitor between Bypass and Ground.
An additional feature is a "Power Good" detector, which
pulls low when the output is out of regulation.
The AME8817 is stable with an output capacitance of
4.7
μ
F or greater.
n
Applications
l
Instrumentation
l
Portable Electronics
l
Wireless Devices
l
PC Peripherals
l
Battery Powered Widgets
Overcurrent
Shutdown
Thermal
Shutdown
AMP
GND
OUT
IN
R1
R2
1.24V
PG
EN
BYP (or ADJ)
AME8817
GND
C3
4.7
μ
F
C1
1
μ
F
OUT
PG
EN
5V
BYP
IN
C2
1nF
OUT
IN
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