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參數(shù)資料
| 型號(hào)： | AAT4618 |
| 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(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大?。?/td> | 225K |
| 代理商： | AAT4618 |
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 |
|---|---|
| AAT4618_06 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Current Limited Load Switch |
| AAT4618IGV-0.5-1-DB1 | 制造商:Skyworks Solutions Inc 功能描述:AAT4618 Series 5.5 V Current Limited Load Switch Evaluation Board |
| AAT4618IGV-0.5-1-T1 | 功能描述:電源開(kāi)關(guān) IC - 配電 Current Limited Load Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| AAT4618IGV-0.5-T1 | 制造商:Skyworks Solutions Inc 功能描述:AAT4618 Series 225 mOhm High Side 1 A Current Limited P-Channel Switch SOT-23-5 制造商:Skyworks Solutions Inc 功能描述:AAT4618 Series 225 mOhm High Side 1 A Current Limited P-Channel Switch-SOT-23-5 制造商:Skyworks Solutions Inc 功能描述:POWER MOSFET TRANSISTOR |
| AAT4618IGV05T1 | 制造商:Skyworks Solutions Inc 功能描述: |
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