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參數資料
| 型號： | AAT3223 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 3A Fixed Low Dropout Linear Regulator (LDO) |
| 中文描述： | 3A固定低壓差線性穩(wěn)壓器（LDO） |
| 文件頁數： | 1/17頁 |
| 文件大?。?/td> | 151K |
| 代理商： | AAT3223 |
AAT3223
250mA NanoPower LDO
Linear Regulator with Power-OK
3223.2005.04.1.4
1
PowerLinear
General Description
The AAT3223 PowerLinear NanoPower low
dropout (LDO) linear regulator is ideal for portable
applications where extended battery life is critical.
This device features extremely low quiescent cur-
rent which is typically 1.1μA. Dropout voltage is
also very low, typically 190mV at 100mA. The
AAT3223 has an enable pin feature which, when
pulled low, will put the LDO regulator into shutdown
mode, removing power from its load and offering
extended power conservation capabilities for
portable battery-powered applications. The
AAT3223 also has a Power-OK (POK) feature.
The POK function monitors the LDO output voltage
and will alert the system if the output falls out of
regulation.
The AAT3223 has output short-circuit and over-
current protection. In addition, the device has an
over-temperature protection circuit, which will shut
down the LDO regulator during extended over-cur-
rent events.
The AAT3223 is available in a space-saving 6-pin
SOT23 package and is rated over the -40°C to
+85°C temperature range.
The AAT3223 is similar to the AAT3221 with the
exception that it offers the additional Power-OK
function through the POK pin.
Features
1.1μA Quiescent Current
250mA Output Current
Low Dropout: 190mV (typical)
High Accuracy: ±2%
Current Limit Protection
Over-Temperature Protection
Extremely Low Power Shutdown Mode
Low Temperature Coefficient
Stable Operation With Virtually Any Output
Capacitor Type
Power-OK Signal Output
Active High Enable Pin
4kV ESD
Factory-Programmed Output Voltages
6-pin SOT23 Package
Applications
Cellular Phones
Digital Cameras
Handheld Electronics
Notebook Computers
PDAs
Portable Communication Devices
Remote Controls
Typical Application
AAT3223
1
μ
F
1
μ
F
OUT
IN
POK
EN
GND
V
OUT
GND
GND
V
IN
ON/OFF
100k
POK
相關PDF資料 |
PDF描述 |
|---|---|
| AAT3223IGU-1.8-T1 | 3A Fixed Low Dropout Linear Regulator (LDO) |
| AAT3223IGU-2.7-T1 | 3A Fixed Low Dropout Linear Regulator (LDO) |
| AAT3223IGU-2.8-T1 | 3A Fixed Low Dropout Linear Regulator (LDO) |
| AAT3223IGU-2.85-T1 | 3A Fixed Low Dropout Linear Regulator (LDO) |
| AAT3223IGU-3.0-T1 | 3A Fixed Low Dropout Linear Regulator (LDO) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AAT3223_06 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:250mA NanoPower⑩ LDO Linear Regulator with Power-OK |
| AAT3223IGU-1.8-T1 | 制造商:ANALOG TECH 功能描述: |
| AAT3223IGU-2.7-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:250mA NanoPower LDO Linear Regulator with Power -OK |
| AAT3223IGU-2.85-T1 | 制造商:AAT 制造商全稱:AAT 功能描述:250mA NanoPower? LDO Linear Regulator with Power-OK |
| AAT3223IGU-2.8-T1 | 制造商:Skyworks Solutions Inc 功能描述:IC REG LDO 2.8V 0.25A SOT23-6 TR 制造商:Skyworks Solutions Inc 功能描述:VOLTAGE REGULATOR |
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