AAT4290/4291
I/O Expander Load Switches with Serial Control
4290.2005.01.1.0 5
Typical Characteristics
Unless otherwise noted, V
IN
= 5V, C
IN
= 1µF, C
OUTX
= 0.1µF, T
A
= 25°C.
R
DS(ON)
vs. Temperature
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
-40 -20 0 20 40 60 80 100
Temperature (°C)
R
DS(ON)
(Ω)
V
IN
= 5.0V
I
O1-5
= 100mA
R
DS3
R
DS4
R
DS5
R
DS1
R
DS2
R
DS(ON)
vs. Temperature
Temperature (°C)
R
DS(ON)
(Ω)
-40 -20 0 20 40 60 80 100
0.7
0.8
0.9
1
1.1
1.2
1.3
V
IN
= 5.0V
I
O1-5
= 50mA
R
DS1
R
DS2
R
DS3
R
DS4
R
DS5
R
DS(ON)
vs. Input Voltage
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Input Voltage (V)
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
2.5
2.7
I
O1-5
= 100mA
R
DS1
R
DS2
R
DS5
R
DS3
R
DS4
V
IH
and V
IL
vs. Input Voltage
1.5 2.52 3.53 4.54 5.55
Input Voltage (V)
V
IL
V
IH
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
Quiescent Current vs. Input Voltage
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Input Voltage (V)
I
Q
(µA)
1.5
2
2.5
3
3.5
4
4.5
5
5.5
Quiescent Current vs. Temperature
-40 -20 0 20 40 60 80 100
Temperature (°C)
I
Q
(µA)
2
2.5
3
3.5
4
4.5
5
5.5
6
V
IN
=5.0V
V
IN
=3.3V