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參數(shù)資料
| 型號： | AAT4682IGU-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | Dual Electronic Resettable Switches |
| 中文描述： | 雙電子復(fù)位開關(guān) |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 251K |
| 代理商： | AAT4682IGU-T1 |
Functional Description
The AAT4682 is a dual 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
back to a low impedance state once the short cir-
cuit condition is removed. A current limit condition
is reported by the open drain FAULT output after a
two millisecond blanking interval. The blanking
prevents false reporting during the charging of a
capacitive load, which typically occurs when a load
is connected. The AAT4682 is internally protected
from thermal damage by an over temperature
detection circuit. If the die temperature reaches the
internal thermal limit, both power devices are
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. Due to the high thermal con-
ductivity of silicon and the size of the die, the tem-
perature across the die is relatively uniform at high
temperatures, and therefore, as a precaution, both
power devices are switched off when the thermal
threshold is reached. The AAT4682 operates with
input voltages ranging from 1.8V to 5.5V which,
along with its extremely low operating current,
makes it ideal for battery-powered applications. In
cases where the input voltage drops below 1.8V,
the AAT4682 internal MOSFETS are protected
from entering the saturated region of operation by
being automatically shut down by an undervoltage
lockout circuit.
The AAT4682 is ideally suited for protection of
peripheral ports such as USB, RS232 and parallel
ports.
AAT4682
Dual Electronic Resettable Switches
6
4682.2001.11.0.9
Functional Block Diagram
INA
OUTB
FAULTB
I
LIM
OTMP
UVLO
I
LIM
OUTB
FAULTA
GND
3ms Blanking
3ms Blanking
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT4684 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Over-Voltage Protection Switch |
| AAT4684ITP-6.5-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Over-Voltage Protection Switch |
| aat4684itp-db1 | 制造商:Skyworks Solutions Inc 功能描述:AAT4684 Series Over-Voltage Protection Switch Eval Board |
| AAT4684ITP-T1 | 制造商:Skyworks Solutions Inc 功能描述:28V Over Voltage Protection switch, (T/R) 制造商:Skyworks Solutions Inc 功能描述:28V OVER VOLT PROTECTION SWITCH 制造商:Skyworks Solutions Inc 功能描述:POWER MOSFET TRANSISTOR |
| AAT4685IWP-1-T1 | 制造商:Skyworks Solutions Inc 功能描述:ADJUSTABLE OVER-VOLTAGE SWITCH TR 制造商:Skyworks Solutions Inc 功能描述:IC OV PROTECT SWITCH 12TDFN 制造商:Skyworks Solutions Inc 功能描述:AAT4685 Series 200 mOhm 1.8 A Over-Voltage Protection Switch with OCP and BOVP 制造商:Skyworks Solutions Inc 功能描述:POWER MOSFET TRANSISTOR |
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