AAT4290/4291
I/O Expander Load Switches with Serial Control
6 4290.2005.01.1.0
Typical Characteristics
Unless otherwise noted, V
IN
= 5V, C
IN
= 1µF, C
OUTX
= 0.1µF, T
A
= 25°C.
Turn-On Characteristic
(V
IN
= 5V; R
L1
= R
L2
= 50Ω; C
O1
= C
O2
= 0.1µF)
EN/SET
(5V/div)
V
O1
(5V/div)
V
O2
(5V/div)
Turn-On Characteristic
(V
IN
= 5V; R
L1
= R
L2
= 50Ω; C
O1
= C
O2
= 0.1µF)
EN/SET
(5V/div)
V
O1
(5V/div)
V
O2
(5V/div)
Turn-On Characteristic
(V
IN
= 5V, R
L1
= R
L2
= 50Ω; C
O1
= C
O2
= 0.1µF)
EN/SET
(5V/div)
V
O1
(5V/div)
V
O2
(5V/div)
EN/SET Timeout vs. Input Voltage
1.5 2 2.5 3 3.5 4 4.5 5 5.5
Input Voltage (V)
Timeout (µs)
2.5
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
4.3
Off timeout t
O
Latch timeout t
LAT
EN/SET Off Timeout vs. Temperature
-40 -20 0 20 40 60 80 100
Temperature (°C)
2.2
2.4
2.6
2.8
3
3.2
3.4
V
IN
= 3.3V
V
IN
= 5.0V
EN/SET Latch Timeout vs. Temperature
-40 -20 0 20 40 60 80 100
Temperature (°C)
Latch timeout, t
LAT
(µs)
2.2
2.4
2.6
2.8
3
3.2
3.4
V
IN
= 5.0V
V
IN
= 3.3V