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AAT3520IGY-3.08-50-T1 PDF预览

AAT3520IGY-3.08-50-T1

更新时间: 2024-01-05 11:06:15
品牌 Logo 应用领域
ANALOGICTECH 电源电路电源管理电路微处理器复位电路
页数 文件大小 规格书
9页 100K
描述
MicroPower⑩ Microprocessor Reset Circuit

AAT3520IGY-3.08-50-T1 技术参数

生命周期:Obsolete包装说明:,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.33
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITBase Number Matches:1

AAT3520IGY-3.08-50-T1 数据手册

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AAT3520/2/4  
MicroPower™ Microprocessor Reset Circuit  
PowerManager  
General Description  
Features  
The AAT3520 series of PowerManager products is  
part of AnalogicTech's Total Power Management  
IC™ (TPMIC™) product family. These micro-  
processor reset circuits are ideal for monitoring volt-  
age supplies in portable systems, where extended  
battery life is critical. They provide a low-cost, reli-  
able solution by eliminating the need for external  
components. The AAT3520 series operates by  
monitoring the system power supply voltage. When  
the input voltage drops below a fixed threshold, the  
device asserts a reset signal for a fixed time period  
after VCC has risen back above the fixed threshold;  
30ms and 150ms minimum periods are available.  
The AAT3520 product series is guaranteed to oper-  
ate down to 1.2V and is designed to ignore fast line  
transients appearing on VCC. The AAT3520 series  
is available with three output stage versions:  
AAT3520 push-pull active high output; AAT3522  
push-pull active low output; and AAT3524 open  
drain active low output. The quiescent supply cur-  
rent is extremely low, typically 1µA, making it ideal  
for portable battery-operated equipment.  
Input Voltage Range: 1.2V to 5.5V  
Operation Down to 1.2V  
Extremely Low Quiescent Current: <2µA  
High Accuracy Detection Threshold: ±1.5%  
Monitor Power Supply Voltages  
Fixed Thresholds from 2.2V to 4.6V  
Reset Pulse Width Options  
— Minimum 30ms or 150ms  
— Fast Propagation Delay <20µs  
Available Output Configurations:  
— Open-Drain Output  
— CMOS Active High Output  
— CMOS Active Low Output  
Temperature Range: -40°C to +85°C  
3-Pin SOT23 Package  
4kV ESD Rating  
Applications  
Cell Phones  
The AAT3520/2/4 are available in a Pb-free, 3-pin  
SOT23 package and are specified over the -40°C  
to +85°C operating temperature range.  
Embedded Systems  
Intelligent Instruments  
Notebook Computers  
Portable Electronics  
Typical Application  
VCC  
VCC  
VCC  
*
100k  
(nominal)  
AAT3520  
RESET  
µP  
RESET  
AAT3522  
INPUT  
(RESET)  
AAT3524  
GND  
GND  
*AAT3524 Only  
3520.2006.03.1.2  
1

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