參數(shù)資料
型號(hào)： AAT3218IJS-1.25-T1
廠商： Advanced Analog Technology,lnc.
英文描述： 150mA MicroPower⑩ High Performance LDO
中文描述： 150mA的微功耗高性能的LDO⑩
文件頁(yè)數(shù)： 1/18頁(yè)
文件大?。?/td> 384K
代理商： AAT3218IJS-1.25-T1
AAT3218
150mA MicroPower High Performance LDO
3218.2006.04.1.8
1
General Description
The AAT3218 MicroPower low dropout linear regula-
tor is ideally suited for portable applications where
very fast transient response, extended battery life,
and small size are critical. The AAT3218 has been
specifically designed for high-speed turn-on and turn-
off performance, fast transient response, and good
power supply ripple rejection (PSRR), and is reason-
ably low noise, making it ideal for powering sensitive
circuits with fast switching requirements.
Other features include low quiescent current, typical-
ly 70μA, and low dropout voltage, typically less than
200mV at the maximum output current level of
150mA. The device is output short-circuit protected
and has a thermal shutdown circuit for additional pro-
tection under extreme operating conditions.
The AAT3218 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 a small
external capacitor from device reference output to
ground.
The AAT3218 is available in a Pb-free, space-sav-
ing 5-pin SOT23 or 8-pin SC70JW package in 16
factory-programmed voltages: 1.2V, 1.4V, 1.5V,
1.8V, 1.9V, 2.0V, 2.3V, 2.5V, 2.6V, 2.7V, 2.8V,
2.85V, 2.9V, 3.0V, 3.3V, or 3.5V.
Features
Low Dropout: 200mV at 150mA
Guaranteed 150mA Output
High Accuracy: ±1.5%
70μA Quiescent Current
Fast Line and Load Transient Response
High-Speed Device Turn-On and Shutdown
High Power Supply Ripple Rejection
Low Self Noise
Short-Circuit and Over-Temperature
Protection
Uses Low Equivalent Series Resistance
(ESR) Ceramic Capacitors
Output Noise Reduction Bypass Capacitor
Shutdown Mode for Longer Battery Life
Low Temperature Coefficient
16 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
AAT3218
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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參數(shù)描述
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AAT3218IJS-2.5-T1 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:150mA MicroPower⑩ High Performance LDO
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AAT3218IJS-2.7-T1 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:150mA MicroPower⑩ High Performance LDO
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