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PDF AAT4611 Data sheet ( Hoja de datos )
| Número de pieza | AAT4611 | |
| Descripción | Current Limited Load Switch in SOT-23 Package | |
| Fabricantes | Advanced Analogic Technologies | |
| Logotipo |  |
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AAT4611
Current Limited Load Switch in SOT-23 Package
General Description
Features
SmartSwitch™
The AAT4611 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 AAT4611 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. In shutdown mode, the supply cur-
rent decreases to less than 1µA.
The AAT4611 is available in a 5 pin SOT-23 and 8-
pin SC70JW specified over -40 to 85°C.
The AAT4600 Series is a family of adjustable and
fixed SmartSwitch™ with a range of current han-
dling capabilities. Available are single versions in
adj. current limit (AAT4600, AAT4601) as well as in
fixed current limit (AAT4602, AAT4625). Dual ver-
sions (AAT4620, AAT4626) are also available.
• 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)
• Only 2.5V needed for ON/OFF Control
• Undervoltage Lockout
• Thermal shutdown
• Temp range -40 to 85°C
• 4kV ESD Rating
• 5 pin SOT-23 or SC70JW-8 package
Applications
• Peripheral ports
• Notebook computers
• Personal communication devices
• Hot swap supplies
Typical Application
INPUT
ON (ON)
1µF
5
IN AAT4611
SOT-23
4
ON/(ON)
GND
2
1
OUT
3
SET
RSET
OUTPUT
0.47µF
GND
4611.2001.8.0.9
GND
1
1 page  
AAT4611
Current Limited Load Switch in SOT-23 Package
(Unless otherwise noted, VIN = 5V, TA = 25°C)
Turn-ON vs. Temperature
80
70
60
50
40
30
20
10
0
- 40
Vin=5V
Vin=3V
- 20 0 20 40 60
Temperature ( C )
80 100
Turn-ON vs. Temperature
80
70
60
50
40
30
20
10
0
- 40
Vin=5V
Vin=3V
- 20 0 20 40 60
Temperature ( C )
80 100
Turn-On
RL = 10Ω, CL = 0.47µF
6
5
4 ON
I OUT=I LIMIT
Output
3
2
1
0
-1
- 20
0 20
Time (µs)
40
60
6
5
4
3
2
1
0
-1
- 0.5
Turn-Off
RL = 10Ω
IOUT =I LIMIT
ON Output
0 0.5
Time (µs)
1
Short Circuit through 0.3Ω
8 12
6
Input Voltage
8
4 Output Current 4
20
Output Voltage
0 -4
0123
Time (µs)
Short Circuit through 0.6Ω
89
Input Voltage
66
4 Output Current 3
20
Output Voltage
0 -3
0123
Time (µs)
4611.2001.8.0.9
5
5 Page 
AAT4611
Current Limited Load Switch in SOT-23 Package
Ordering Information
Package
Enable
SOT-23-5
SOT-23-5
SC70JW-8
SC70JW-8
ON (active low)
ON (active high)
ON (active low)
ON (active high)
Marking
Part Number
Bulk Tape and Reel
N/A AAT4611IGV-T1
N/A AAT4611IGV-1-T1
N/A AAT4611IJS-T1
N/A AAT4611IJS-1-T1
4611.2001.8.0.9
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AAT4611.PDF ] | |
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