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參數資料
| 型號： | AAT4680 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | Electronic Resettable Fuse |
| 中文描述： | 電子保險絲 |
| 文件頁數： | 6/8頁 |
| 文件大?。?/td> | 279K |
| 代理商： | AAT4680 |
Functional Description
The AAT4680 is a single channel electronic reset-
table fuse that protects against short circuit condi-
tions by current limiting to a preset level. A patent-
ed fast acting current limit loop limits load current in
a fraction of a microsecond, and instantly resets to
low impedance once the short circuit condition is
removed. Acurrent limit condition is reported by the
open drain FAULT output after a three millisecond
blanking interval. The blanking prevents false
reporting during the charging of a capacitive load,
which typically occurs when a load is connected.
The AAT4680 is internally protected from thermal
damage by an over temperature detection circuit. If
the die temperature reaches the internal thermal
limit, the power device is switched off until the die
temperature cools to a level below the thermal limit
threshold. The device will thermal cycle indefinitely
until the over current condition is removed. The
AAT4680 operates with input voltages ranging from
1.8V to 5.5V which, along with extremely low oper-
ating current, makes it ideal for battery-powered
applications. In cases where the input voltage
drops below 1.8V, the AAT4680 internal MOSFET is
protected from entering the saturated region of
operation by being automatically shut down by an
under voltage lockout circuit.
The AAT4680 is ideally suited for protection of peri-
pheral ports such as USB, RS232 and parallel ports.
AAT4680
Electronic Resettable Fuse
6
4680.2001.11.0.91
Functional Block Diagram
IN
OUT
FAULT
GND
Under-Voltage
Lockout
Over-Temp
Protection
3ms Blanking
Current
Limit
相關PDF資料 |
PDF描述 |
|---|---|
| AAT4682IGU-T1 | Dual Electronic Resettable Switches |
| AAT4682 | Dual Electronic Resettable Switches |
| AAT4900IGV-T1 | Buffered Power Half-Bridge |
| AAT4900 | Buffered Power Half-Bridge |
| AAT7126IAS-T1 | 30V N-Channel Power MOSFET |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AAT4680_06 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Electronic Resettable Fuse |
| AAT4680IGV-T1 | 制造商:AAT 制造商全稱:AAT 功能描述:Electronic Resettable Fuse |
| AAT4681IDE-1-T1 | 功能描述:電源開關 IC - USB 20mohm 5.0V Drain I Active High RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| AAT4681IDE-T1 | 功能描述:電源開關 IC - USB 20mohm 5.0V Drain I Active Low RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| AAT4682 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual Electronic Resettable Switch |
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