Dual-Input, Dual-Output Load Switch
Typical Characteristics
Turn-On/Off Response with 20Ω 1µF Loads
EN (5V/div)
FAULT (5V/div)
OUTB (5V/div) INB = 5V
OUTA (5V/div) INA = 3V
I
INA
+ I
INB
(200mA/div)
AAT4670
FAULT Delay
Start Into 0.6Ω Load
ON (5V/div)
FAULT (5V/div)
V
OUT
(1V/div)
I
IN
(500mA/div)
Time (100µs/div)
Time (500µs/div)
Short Circuit Through 0.6Ω
Input and Output Voltage (V)
Input and Output Voltage (V)
8
9
8
6
4
2
0
-2
-1
Short Circuit Through 0.3Ω
12
Output Current (A)
6
Input Voltage
Output Current (A)
6
Input Voltage
8
4
Output Current
Output Voltage
-1
0
1
2
3
4
3
Output Current
4
2
0
0
0
-3
Output Voltage
-4
0
1
2
3
4
Time (μs)
Time (μs)
Thermal Shutdown Response
2.4
Typical EN Threshold vs. Input Voltage
ON (5V/div)
FAULT (5V/div)
V
OUT
(1V/div)
EN Threshold (V)
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
1.5
2
2.5
3
3.5
4
4.5
5
5.5
V
EN(H)
V
EN(L)
I
IN
(500mA/div)
Time (200ms/div)
Input Voltage (V)
6
4670.2006.09.1.4
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
