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PAM3101AAA180 参数 Datasheet PDF下载

PAM3101AAA180图片预览
型号: PAM3101AAA180
PDF下载: 下载PDF文件 查看货源
内容描述: 300MA高PSRR低压差CMOS线性稳压器 [300mA High PSRR Low Dropout CMOS Linear Regulator]
分类和应用: 稳压器
文件页数/大小: 24 页 / 488 K
品牌: PAM [ POWER ANALOG MICOELECTRONICS ]
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Features
n
Low Dropout Voltage: 180mV@300mA
(V
O
=3.3V)
n
Output Voltage Accuracy within ±2%
n
Quiescent Current
:
65 μ A Typ.
n
High PSRR: 70dB@1kHz
n
Excellent Line and Load Regulation
n
Fast Response
n
Current Limiting
n
Short Circuit Protection
n
Low Temperature Coefficient
n
Shutdown Current
:
0.5 μ A
n
Thermal Shutdown
n
Space Saving Package: SOT-23 , SOT-89
and SC70
n
Pb-Free Package
General Description
The PAM3101 series of positive voltage linear
regulators feature low quiescent current (65 μ A
Typ.) and low dropout voltage, making them ideal
for battery powered applications. Their high
PSRR make them useful in applications where
AC noise on the input power supply must be
suppressed. Space-saving SOT-23, SOT-89 and
SC70 packages are attractive for portable and
handheld applications. They have both thermal
shutdown and current limit features to prevent
device failure from extreme operating conditions.
They are stable with an output capacitor of 2.2 μ F
or greater.
Applications
n
n
n
n
n
n
n
Cordless Phones
Cellular Phones
Bluetooth Earphones
Digital Cameras
Portable Electronics
WLANs
MP3 Players
Typical Application
IN
Block Diagram
OUT
VIN
VOUT
PAM3101
EN
C
IN
1μF
VIN
VOUT
GND
BYP
C
BYP
10nF
C
O
2.2 μ F
OverCurrent
Shutdown
EN
BYP
IN
Thermal
Protection
Amp
GND
VIN
VOUT
PAM3101
GND
C
IN
1μF
OUT
Bandgap
C
O
2.2 μ F
Power Analog Microelectronics
,
Inc
www.poweranalog.com
09/2008 Rev 1.4
1