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AAT3215IJS-2.7-T1 参数 Datasheet PDF下载

AAT3215IJS-2.7-T1图片预览
型号: AAT3215IJS-2.7-T1
PDF下载: 下载PDF文件 查看货源
内容描述: 150毫安CMOS高性能LDO [150mA CMOS High Performance LDO]
分类和应用:
文件页数/大小: 18 页 / 343 K
品牌: AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
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150mA CMOS High Performance LDO
General Description
The AAT3215 MicroPower™ low dropout (LDO)
linear regulator is ideally suited for portable appli-
cations where low noise, extended battery life, and
small size are critical. The AAT3215 has been
specifically designed for very low output noise per-
formance, fast transient response, and high power
supply rejection ratio (PSRR), making it ideal for
powering sensitive RF circuits.
Other features include low quiescent current, typi-
cally 95µA, and low dropout voltage which is typi-
cally less than 140mV at full output current. The
device is output short-circuit protected and has a
thermal shutdown circuit for additional protection
under extreme conditions.
The AAT3215 also features a low-power shutdown
mode for extended battery life. A reference bypass
pin has been provided to improve PSRR perform-
ance and output noise by connecting an external
capacitor from the AAT3215's reference output to
ground.
The AAT3215 is available in a Pb-free, space-saving
5-pin SOT23 or 8-pin SC70JW package in ten fac-
tory-programmed voltages: 2.5V, 2.6V, 2.7V, 2.8V,
2.85V, 2.9V, 3.0V, 3.1V, 3.3V, or 3.6V.
AAT3215
Features
PowerLinear
SmartSwitch
Low Dropout: 140mV at 150mA
Guaranteed 150mA Output
High Accuracy ±1.5%
95µA Quiescent Current
High Power Supply Ripple Rejection
— 70dB at 1kHz
— 50dB at 10kHz
Very Low Self Noise: 45µVrms
Fast Line and Load Transient Response
Short-Circuit Protection
Over-Temperature Protection
Uses Low Equivalent Series Resistance
(ESR) Ceramic Capacitors
Noise Reduction Bypass Capacitor
Shutdown Mode for Longer Battery Life
Low Temperature Coefficient
Ten Factory-Programmed Output Voltages
SOT23 5-Pin or SC70JW 8-Pin Package
Applications
Bluetooth™ Headsets
Cellular Phones
Digital Cameras
Notebook Computers
Personal Portable Electronics
Portable Communication Devices
Typical Application
V
IN
IN
OUT
V
OUT
AAT3215
ON/OFF
1μF
EN
GND
10nF
2.2μF
BYP
GND
GND
3215.2006.05.1.6
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