AAT4672 Datasheet, PDF (18/24 Pages) Advanced Analogic Technologies – Power Supply Selector Switch

SmartSwitch^TM
Typical Characteristics
I_MAIN Sleep Current vs. V_MAIN Voltage
(V_AUX = 6.5V)
2.5
2
85°C
1.5
25°C
1
-40°C
0.5
0
2.5
3
3.5
4
4.5
5
V_MAIN Voltage (V)
5.5
6
Current Limit vs. R_IMAIN/IAUX
(V_MAIN = 5V; V_AUX = 3.3V; V_OUT = V_MAIN or V_OUT = V_AUX)
2.25
2
1.75
1.5
1.25
1
0.75
0.5
0.25
0
50
100 150 200 250 300 350 400 450 500
R_IMAIN/IAUX (kΩ)
Short Circuit Through 0.3Ω Response
V_IN
(2V/div)
5V
I_OUT
(5A/div)
0A
2A
V_OUT
5V
0.6V
(5V/div)
Time (10µs/div)
PRODUCT DATASHEET
AAT4672
Power Supply Selector Switch
I_AUX Sleep Current vs. V_AUX Voltage
(V_MAIN = 6.5V)
2.5
2
85°C
1.5
25°C
1
-40°C
0.5
0
2.5
3
3.5
4
4.5
5
V_AUX Voltage (V)
5.5
6
Turn-On/Off Response
(R_OUT = 10Ω; V_MAIN = 5V)
V_EN ^2V
(2V/div)
0V
V_OUT
(5V/div)
0V
I_OUT
0A
(500mA/div)
Time (100µs/div)
Short Circuit Through 0.6Ω Response
V_IN
(2V/div)
5V
I_OUT
(5A/div)
0A
V_OUT
5V
(5V/div)
2A
1.2V
Time (10µs/div)
6
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4672.2008.04.1.0