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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)： | 1/8頁 |
| 文件大小： | 251K |
| 代理商： | AAT4682IGU-T1 |
SmartSwitch
General Description
The AAT4682 Dual Electronic Resettable fuse is
part of the AnalogicTech Application Specific Power
MOSFET (ASPM) line of products. It has two 1A
current limited P-channel MOSFET power devices
that remain fully enhanced as long as the input
power supply is above an under voltage lockout
threshold, and the load is below the current limit
setting. If the load increases above the current limit
setting, as is the case during a short circuit, the
MOSFET effectively becomes a constant current
source equal to the current limit. If the current limit
condition persists long enough to heat the MOSFET
to an extreme temperature, both devices will ther-
mal cycle off and on until the current limit condition
is removed. Independent open drain FAULT flags
signal an over current or over temperature condi-
tion. Quiescent current typically is a low 10μA.
The AAT4682 is available in a 6 pin SOT-23, spec-
ified over a -40 to 85°C temperature range.
Features
Dual P-Channel MOSFETS
500mA steady state load current
600mA minimum current limit trip point
Low quiescent current, typically 10μA.
Over temperature protection
Fast transient response:
< 1μs response to short circuit
400m
typical R
DS(ON)
Undervoltage Lockout
Temp range -40 to 85°C
FAULT flag with 2ms blanking
6-pin SOT23 package
Applications
USB ports
Peripheral ports
Desktop PCs
Cell phone ports
AAT4682
Dual Electronic Resettable Switches
Typical Application
C
OUTA
1
μ
F
IN
C
IN
1
μ
F
FAULTA
OUTA
GND
AAT4682
5
2
6
INPUT
GND
GND
OUTA
OUTB
FAULTA
FAULTB
FAULTB
OUTB
4
C
OUTB
1
μ
F
3
1
P
4682.2001.11.0.9
1
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