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參數(shù)資料
| 型號(hào)： | AAT3237 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 300mA MicroPower⑩ LDO with PowerOK |
| 中文描述： | ⑩微功耗300mA的LDO穩(wěn)壓器與PowerOK |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大小： | 172K |
| 代理商： | AAT3237 |
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SmartSwitch
PowerLinear
AAT3237
300mA MicroPower LDO with PowerOK
3237.2006.01.1.4
1
General Description
The AAT3237 MicroPower low dropout (LDO) lin-
ear regulator is ideally suited for portable applica-
tions where low noise, extended battery life, and
small size are critical. The AAT3237 has been
specifically designed for low output noise perform-
ance, fast transient response, and high power sup-
ply rejection ratio (PSRR).
Other features include low quiescent current, typi-
cally 70μA, and low dropout voltage, typically less
than 400mV at full output current. The device is
output short-circuit protected and has a thermal
shutdown circuit for additional protection under
extreme conditions.
The AAT3237 also features a low-power shutdown
mode for extended battery life. A Power-OK open-
drain output signals when V
OUT
is in regulation.
The AAT3237 is available in a Pb-free, space-sav-
ing 6-pin SOT23 or 8-pin SC70JW package in 13
factory-programmed voltages: 1.2V, 1.5V, 1.8V,
2.0V, 2.3V, 2.5V, 2.7V, 2.8V, 2.85V, 2.9V, 3.0V,
3.3V, or 3.5V.
Features
Low Dropout: 400mV at 300mA
Guaranteed 300mA Output
High Accuracy ±1.5%
70μA Quiescent Current
High Power Supply Ripple Rejection
Power-OK (POK) Output
Fast Line and Load Transient Response
Short-Circuit Protection
Over-Temperature Protection
Uses Low Equivalent Series Resistance
(ESR) Ceramic Capacitors
Shutdown Mode for Longer Battery Life
Low Temperature Coefficient
13 Factory-Programmed Output Voltages
SOT23 6-Pin or SC70JW 8-Pin Package
Applications
Cellular Phones
Desktop Computers
Digital Cameras
Notebook Computers
Personal Portable Electronics
Portable Communication Devices
Typical Application
AAT3237
EN
IN
OUT
POK
GND
ON/OFF
1
μ
F
2.2
μ
F
V
IN
GND
GND
V
OUT
POK
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT3237BIGU-2.6-T1 | 制造商:Skyworks Solutions Inc 功能描述:300mA MicroPower LDO-Linear Regulator |
| AAT3237BIGU-2.85-T1 | 制造商:Skyworks Solutions Inc 功能描述:300mA MicroPower LDO-Linear Regulator |
| AAT3237BIGU-2.8-T1 | 制造商:Skyworks Solutions Inc 功能描述:300mA MicroPower LDO-Linear Regulator |
| AAT3237BIGU-2.9-T1 | 制造商:Skyworks Solutions Inc 功能描述:300mA MicroPower LDO-Linear Regulator |
| AAT3237IGU-1.2-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:300mA MicroPower⑩ LDO with PowerOK |
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