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參數(shù)資料
| 型號(hào)： | AAT4618IJS-1.0-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | Current Limited Load Switch |
| 中文描述： | 電流限制負(fù)荷開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 7/11頁(yè) |
| 文件大小： | 245K |
| 代理商： | AAT4618IJS-1.0-T1 |
Functional Block Diagram
IN
OUT
ON (ON)
GND
Under-Voltage
Lockout
Over-Temperature
Protection
Current
Limit
FAULT
4ms Delay
AAT4618
Current Limited Load Switch
4618.2006.05.1.2
7
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 microsecond 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. A 4ms blanking 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 |
|---|---|
| AAT4618IJS-1-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Current Limited Load Switch |
| AAT4618IJS-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Current Limited Load Switch |
| 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(kāi)關(guān) IC - 各種 Crnt Limit Intrface/ Capacitor Charger RoHS:否 制造商:Fairchild Semiconductor 開(kāi)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 |
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