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參數(shù)資料
| 型號： | AAT4618IJS-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | Current Limited Load Switch |
| 中文描述： | 電流限制負荷開關(guān) |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 225K |
| 代理商： | AAT4618IJS-T1 |
SmartSwitch
AAT4618
Current Limited Load Switch
P
4618.2002.2.0.9
1
General Description
The AAT4618 SmartSwitch is a member of
AnalogicTech's Application Specific Power MOS-
FET (ASPM) product family. It is a Current
Limited P-channel MOSFET power switch designed
for high-side load-switching applications operating
with inputs ranging from 2.4V to 5.5V which makes it
ideal for 2.5V, 3V and 5V systems. An integrated cur-
rent-limiting circuit protects the input supply from large
currents which potentially cause the supply to fall out
of regulation. In addition, the AAT4618 thermal over-
load protection limits power dissipation and junction
temperatures associated with prolonged periods of
operation in current limit. Due to its low R
DS(ON)
, the
AAT4618 can be used to control loads that require up
to 500mA even while operating at high ambient tem-
peratures. The ultra fast current-limit response to a
sudden short circuit is a mere 400ns which reduces
the requirements of local supply bypassing. An open
drain FAULT flag signals an over current or over tem-
perature condition after a 4ms timeout. Quiescent
current is a low 10μAand in shutdown mode, the sup-
ply current decreases to less than 1μA.
The AAT4618 is available in a 5 pin SOT-23, and an
8 pin SC70JW specified over a -40 to 85°C temper-
ature range.
The AAT4600 Series is a family of adjustable and
fixed SmartSwitch products with a range of current
handling capabilities. Available are single versions
with adjustable current limit (AAT4610, AAT4601) as
well as fixed current limit (AAT4625), and dual ver-
sions with fixed current limit (AAT4626, AAT4670).
Features
2.4V to 5.5V Input voltage range
500mA min current limit trip threshold
Fast transient response:
400ns response to short circuit
Low quiescent current
10μA typical
< 1μA with Switch off
125m
typical R
DS(ON)
FAULT flag with 4ms blanking
Undervoltage Lockout
Thermal shutdown
Temp range -40 to 85°C
4kV ESD Rating
5 pin SOT23 package
8 pin SC70JW package
Applications
Peripheral ports
USB Ports
Notebook computers
Personal communication devices
Hot swap supplies
Typical Application
AAT4618
ON (ON)
IN
OUT
FAULT
GND
ON
(ON)
100k
INPUT
GND
GND
C
IN
1
μ
F
C
OUT
0.47
μ
F
OUTPUT
FAULT
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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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