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參數(shù)資料
| 型號(hào)： | AAT4618IJS-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | Current Limited Load Switch |
| 中文描述： | 電流限制負(fù)荷開關(guān) |
| 文件頁數(shù)： | 6/10頁 |
| 文件大小： | 225K |
| 代理商： | AAT4618IJS-T1 |
Functional Block Diagram
IN
OUT
ON (ON)
GND
Under-Voltage
Lockout
Over-Temp
Protection
Current
Limit
FAULT
4ms Delay
AAT4618
Current Limited Load Switch
6
4618.2002.2.0.9
Functional Description
The AAT4618 is a single channel current limited
load switch that protects against short circuits by
current limiting to a preset level. A patented fast
acting current limit loop limits the current in a frac-
tion of a micro second and instantly resets to low
impedance once the short circuit condition is
removed. The AAT4618 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 AAT4618 operates with
input voltages ranging from 2.4V 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 2.4V,
the AAT4618 MOSFET is protected from entering
the saturated region of operation by being auto-
matically shut down by an under voltage lockout
circuit. A current limit condition is reported by the
open drain FAULT output. Afour millisecond blank-
ing interval prevents false reporting during the
charging of a capacitive load, which typically
occurs during device turn-on, but may also occur
during a port hot plug-in event.
The AAT4618 is ideally suited for protection of
peripheral ports such as USB, RS232 and parallel
ports.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT4620 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:PCMCIA Current Limit Interface and Capacitor Charger |
| AAT4620ITP-T1 | 功能描述:開關(guān) IC - 各種 Crnt Limit Intrface/ Capacitor Charger RoHS:否 制造商:Fairchild Semiconductor 開啟電阻（最大值）: 電源電壓-最大:4.4 V 電源電壓-最小:2.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WLCSP-9 封裝:Reel |
| AAT4621 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:PC Card Current Limit Interface and Capacitor Charger |
| AAT4621ITP-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:PC Card Current Limit Interface and Capacitor Charger |
| AAT4621IWO-1-T1 | 制造商:Skyworks Solutions Inc 功能描述:AAT4621 Series 2 Ch 5.5 V 2.5 A High Side SMT Limited Power Switch - TDFN-33-14 制造商:Skyworks Solutions Inc 功能描述:POWER MOSFET TRANSISTOR |
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