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AAT4670IAS-T1 PDF预览

AAT4670IAS-T1

更新时间： 2024-01-26 14:16:35
品牌 Logo 应用领域
ANALOGICTECH 开关
页数 文件大小 规格书
12页 241K
描述
Dual-Input, Dual-Output Load Switches

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中文翻译

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AAT4670IAS-T1 技术参数

生命周期：Active包装说明：,
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.65模拟集成电路 - 其他类型：SPST
Base Number Matches：1

AAT4670IAS-T1 数据手册

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AAT4670  
Dual-Input, Dual-Output Load Switches  
™
SmartSwitch  
General Description  
Features  
The AAT4670 SmartSwitch™ is part of the Analogic  
Tech Application Specific Power MOSFET  
(ASPM™) line of products. The AAT4670 consists  
of dual, independent, 1A current limited, slew rate  
controlled P-channel MOSFET power switches with  
a dedicated source and drain pin assigned to each  
switch. The internal circuitry automatically derives  
power from the higher of the two input power source  
pins with a low operating quiescent current of 18µA.  
In shutdown mode, the supply current decreases to  
less than 1µA. The switches operate with inputs  
ranging from 2.2V to 5.5V, making them ideal for  
2.5V, 3V and 5V systems. The dual configuration  
permits integration of the load switch function for  
systems with two different power busses.  
Independent under voltage lockout circuits will shut  
down the corresponding switch if its input voltage  
falls below the under voltage lockout threshold. If  
the die temperature reaches the thermal limit, both  
switches thermal cycle off and on indefinitely without  
damage until the thermal condition is removed. An  
open drain FAULT output signals an over current or  
over temperature condition for each channel. Input  
logic levels are TTL compatible.  
•
•
•
•
2.2V to 5.5V input voltage range  
1A current limit per channel  
95mΩ typical RDS(ON)  
Fast transient response:  
•
< 1µs response to short circuit  
•
•
•
•
•
•
•
•
Low 18µA quiescent current  
1µA max with Switches off  
Slew rate controlled  
Thermal shutdown  
Fault flags with 3ms blanking  
Under voltage lockout  
Temp range -40 to 85ºC  
8-pin SOP, TSSOP or MSOP packages  
Applications  
•
•
•
•
•
•
Notebook Computer  
PDA, Subnotebook  
USB ports  
Peripheral ports  
Hot swap supplies  
Media bay  
The AAT4670 is available in 8 pin SOP, TSSOP or  
MSOP specified over -40 to 85 °C temperature  
range.  
Typical Application  
AAT4670  
7
6
1
8
INA  
INB  
OUTA  
OUTB  
INA  
INB  
EN  
OUTA  
5
2
3
OUTB  
EN  
FAULTA  
FAULTB  
FAULTA  
FAULTB  
GND  
4
COUTA  
COUTB  
CINA  
CINB  
1µF  
1µF  
1µF  
1µF  
GND  
GND  
4670.2002.1.0.92  
1
1234567...12

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