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PDF AAT4608IGV-T1 Data sheet ( Hoja de datos )
| Número de pieza | AAT4608IGV-T1 | |
| Descripción | Current Limited Load Switch in SOT-23 Package | |
| Fabricantes | Advanced Analogic Technologies | |
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AAT4608
Current Limited Load Switch in SOT-23 Package
General Description
The AAT4608 SmartSwitch™ is a member of
AnalogicTech's Application Specific Power
MOSFET™ (ASPM™) product family. It is a Current
Limited P-channel MOSFET power switch designed
for high-side load-switching applications. This switch
operates with inputs ranging from 2.7V to 5.5V, mak-
ing it ideal for both 3V and 5V systems. An inte-
grated current-limiting circuit protects the input sup-
ply against large currents which may cause the sup-
ply to fall out of regulation. The AAT4608 is also pro-
tected from thermal overload which limits power dis-
sipation and junction temperatures. It can be used
to control loads that require up to 1 A. Current limit
threshold is programmed with a resistor from SET to
ground. The quiescent supply current is typically a
low 15µA max.
The AAT4608 is available in a 5 pin SOT-23 spec-
ified over -40 to 85°C.
Features
SmartSwitch™
• 2.7V to 5.5V Input voltage range
• Programmable over current threshold
• Fast transient response:
• <1µs response to short circuit
• Low quiescent current
• 15µA typical
• 1µA max with Switch off
• 160mΩ typical RDS(ON)
• Undervoltage Lockout
• Thermal shutdown
• Temp range -40 to 85°C
• 4kV ESD Rating
• 5 pin SOT-23 package
Applications
• Peripheral ports
• Notebook computers
• Personal communication devices
• Hot swap supplies
Typical Application
INPUT
1µF
GND
4608.2001.10.0.9
5
IN
AAT4608 OUT 1
SOT-23
3
SET
GND
2
RSET
OUTPUT
0.47µF
GND
1
1 page  
AAT4608
Current Limited Load Switch in SOT-23 Package
(Unless otherwise noted, VIN = 5V, TA = 25°C)
RSET vs ILIM
10 0
10
1
0.1 1 10
I LIM (A)
Current Limit v. Temperature
6%
4%
2%
0%
-2%
-4%
-6%
-50
RSET= 22.1k
VIN -VOUT=0.5V
- 25 0
25 50 75 100
Temperature (C)
RSET coefficent vs ILIM
10
9
8
7
6
5
0 0.5 1 1.5
ILIM (A)
2
4608.2001.10.0.9
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet AAT4608IGV-T1.PDF ] | |
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| AAT4608IGV-T1 | Current Limited Load Switch in SOT-23 Package | Advanced Analogic Technologies |
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