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參數(shù)資料
| 型號(hào)： | AAT3215IGV-35-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 150mA CMOS High Performance LDO |
| 中文描述： | 150mA的LDO穩(wěn)壓器的CMOS高性能 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 283K |
| 代理商： | AAT3215IGV-35-T1 |
P
3215.2002.03.0.91
1
General Description
The AAT3215 MicroPower Low Dropout Linear
Regulator is ideally suited for portable applications
where low noise, extended battery life and small
size are critical. The AAT3215 has been specifi-
cally designed for very low output noise perform-
ance, fast transient response and high power sup-
ply rejection ratio (PSRR), making it ideal for pow-
ering 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 space saving 5-pin
SOT-23 or 8-pin SC70-JW package in 8 factory
programmed voltages of 2.5V, 2.7V, 2.8V, 2.85V,
2.9V, 3.0V, 3.3V, or 3.5V.
Features
Low Dropout - 140mV at 150mA
Guaranteed 150mA Output
High accuracy ±1.5%
95μA Quiescent Current
High Power Supply Ripple Rejection
70 dB at 1kHz
50 dB at 10kHz
Very low self noise 45μVrms/rtHz
Fast line and load transient response
Short circuit protection
Over-Temperature protection
Uses Low ESR ceramic capacitors
Noise reduction bypass capacitor
Shutdown mode for longer battery life
Low temperature coefficient
8 Factory programmed output voltages
SOT-23 5-pin or SC70-JW 8-pin package
Applications
Cellular Phones
Notebook Computers
Portable Communication Devices
Personal Portable Electronics
Digital Cameras
AAT3215
150mA CMOS High Performance LDO
Typical Application
AAT3215
EN
IN
OUT
BYP
GND
ON/OFF
1
μ
F
10nF
2.2
μ
F
V
IN
GND
GND
V
OUT
PowerLinear
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