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