AAT4618
Current Limited Load Switch
Typical Characteristics
Unless otherwise noted, VIN = 5V, TA = 25°C.
Turn-On
(RL = 20Ω; CL = 0.47µF)
Turn-Off
(RL = 20Ω; CL = 0.47µF)
6
5
4
6
5
4
ON
OUT
ON
OUT
3
3
2
2
1
1
0
0
-1
-1
-10
0
10
20
30
40
50
-0.5
0.0
0.5
1.0
1.5
2.0
Time (µs)
Time (µs)
Short Circuit Through 0.3Ω
Thermal Shutdown Response
6
5
4
3
2
1
0
12
10
8
Input Voltage
Output Current
Output Voltage
Output Voltage (5V/div)
6
4
2
Output Current (1A/div)
0
-1
0
1
2
3
4
5
Time (µs)
Time (50ms/div)
Fault Delay from Short Circuit
ON (ON) Threshold vs. Input Voltage
2.4
2.2
2
Output Voltage (5V/div)
Output Current (1A/div)
FAULT (5V/div)
VON(H)
1.8
1.6
1.4
1.2
1
VON(L)
0.8
0.6
0.4
2
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Time (1ms/div)
6
4618.2006.05.1.2
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
