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參數(shù)資料
| 型號： | AAT4644IHS-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 4-Channel Current Limited Load Switch |
| 中文描述： | 4通道電流限制負荷開關(guān) |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 277K |
| 代理商： | AAT4644IHS-T1 |
SmartSwitch
AAT4644
4-Channel Current Limited Load Switch
P
4644.2002.01.0.92
1
General Description
The AAT4644 is a four-channel resettable fuse. It
utilizes independent current-limited and thermally
protected P-channel MOSFETs to protect against
short circuits. Each switch's current limit is factory
programmed at 1A. Additional protection is provid-
ed with undervoltage lockout; the switches are
turned off when the input voltage drops below a
preset level. The quiescent supply current is typi-
cally 20μA. The AAT4644 is a flexible solution,
allowing system designers to gang outputs togeth-
er for lower R
DS(ON)
and higher current limit.
The AAT4644 is available in 8 pin TSSOP or SOP
packages, specified over -40 to 85°C.
Features
500mA per channel steady state
4 X 1A current limit trip point
Over-temp protection
Fast transient response:
1μs (typ) response to short circuit
100m
typical R
DS(ON)
Undervoltage Lockout
Temp range -40 to 85°C
8 pin TSSOP or SOP packages
Applications
USB ports
Peripheral ports
Desktop PCs
Typical Application
AAT4644
2,7
1
3
8
6
4
IN
INPUT
3.3V - 5V
GND
OUT1
OUT2
OUT3
OUT4
OUTPUT1
OUTPUT2
OUTPUT3
OUTPUT4
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|---|---|
| AAT4650 | 制造商:AAT 制造商全稱:AAT 功能描述:5V/3V PC Card Power Switch |
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| AAT4650IHS-B1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:5V/3V PC Card Power Switch |
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