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AME8818AEET250Z 参数 Datasheet PDF下载

AME8818AEET250Z图片预览
型号: AME8818AEET250Z
PDF下载: 下载PDF文件 查看货源
内容描述: 低压差300毫安CMOS稳压器 [Low Dropout 300mA CMOS Regulator]
分类和应用: 稳压器
文件页数/大小: 14 页 / 219 K
品牌: AMETHERM [ AMETHERM CIRCUIT PROTECTION THERMISTORS ]
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AME
AME8818
n
General Description
The AME8818 is a CMOS linear regulator. It operated from
2.5V to 5.5V input voltage and delivers up to 300mA output
current. The AME8818 provide low quiescent current (70uA
typ) low dropout voltage (230mV @ 300mA typ), and excel-
lent PSRR, thus marking them ideal for Data-Communica-
tions and battery applications.
The AME8818 provide over temperature and over current
protected functions. It is stable with an output capacitance of
1uF or larger.
Low Dropout
300mA CMOS Regulator
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Functional Block Diagram
IN
OUT
Overcurrent
Shutdown
Thermal
Shutdown
EN
R1
A
BYP/NC
Bandgap
Reference
R2
GND
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Features
l
Input voltage range is from 2.5V to 5.5V
l
Output voltage range is from 1.2V to 4.5V
l
Low Dropout: 230mV @ 300mA
l
Guaranteed 300mA Drive Current
l
Factory Pre-set output voltage
l
Only 1uF Output Capacitor Required for
Stability
l
Provided OTP, current limit
l
All AME’ s Green Products Meet RoHS
Standards
C
IN
1µF
EN
AME8818
NC
GND
C
OUT
1µF
V
IN
V
OUT
IN
OUT
n
Typical Application
Figure 1
V
IN
V
OUT
IN
EN
OUT
n
Applications
EN
C
IN
1µF
AME8818
GND
C
OUT
1µF
l
Data-Communication
l
Laptop, Palmtops, Notebook computers
l
Battery Power Equipment
l
Handheld Device
l
PCMCIA Cards
OFF
ON
BYP
C2
1nF
Figure 2
Rev.A.01
1