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參數(shù)資料
| 型號： | AME8804AEEV |
| 廠商： | AME, Inc. |
| 英文描述： | Quadruple Bus Buffer Gates With 3-State Outputs 14-VQFN -40 to 85 |
| 中文描述： | 300mA的CMOS低壓 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 97K |
| 代理商： | AME8804AEEV |
Analog Microelectronics, Inc.
1
AME8804
300mA CMOS LDO
n
Typical Application
n
Functional Block Diagram
n
Features
l
Very Low Dropout Voltage
l
Guaranteed 300mA Output
l
Accurate to within 1.5%
l
30
μ
A Quiescent Current
l
Over-Temperature Shutdown
l
Current Limiting
l
Short Circuit Current Fold-back
l
Power Good Detector (6 pin version only)
l
Power-Saving Shutdown Mode
l
Space-Saving SOT-26 and SOT-25
l
Adjustable Output Voltages
l
Low Temperature Coefficient
n
General Description
The AME8804 family of positive, linear regulators fea-
ture low quiescent current (30
μ
A typ.) with low dropout
voltage, making them ideal for battery applications. The
space-saving SOT-26 and SOT-25 packages are attrac-
tive 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 AME8804 is stable with an output capacitance of
2.2
μ
F or greater.
n
Applications
l
Instrumentation
l
Portable Electronics
l
Wireless Devices
l
Cordless Phones
l
PC Peripherals
l
Battery Powered Widgets
l
Electronic Scales
AMP
GND
OUT
IN
ADJ
PG
Overcurrent
Shutdown
Thermal
Shutdown
EN
V
ref
=1.215V
V
ref
x90%
V
ref
x110%
AME8804
GND
OUT
IN
C3
2.2
μ
F
ADJ
5V
OUT
IN
PG
EN
C2
100p
R1
R2
C1
1
μ
F
V
= 1.215 (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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