AAT4618 Datasheet, PDF (6/11 Pages) Advanced Analogic Technologies – Current Limited Load Switch

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