AAT4685 Datasheet, PDF (7/17 Pages) Skyworks Solutions Inc. – thermal shutdown protection

DATA SHEET
AAT4685
Over-Voltage Protection Switch with OCP and BOVP
Typical Characteristics
EN V_IH and V_IL vs. Supply Voltage
0.90
VIH
0.85
VIL
0.80
0.75
0.70
0.65
0.60
3.0 3.5
4.0 4.5 5.0
5.5 6.0
6.5 7.0
Supply Voltage (V)
0.90
0.85
0.80
0.75
0.70
0.65
0.60
-40
EN Pin vs. Temperature
(VIN = 5.0V)
-15
10
35
60
Temperature (°C)
VIH
VIL
85
Over-Current Limit vs. R_OCP
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
10
100
ROCP (kΩ)
NMOS On-Resistance vs. Temperature
155
140
125
110
95
-40
-15
10
35
60
85
Temperature (°C)
Normal Power-On Startup
(R_OUT = 6.3Ω)
V_IN
(2V/div)
V_OUT
(2V/div)
I_OUT
(500mA/div)
Time (2ms/div)
Over-Current Protection
(I_OUT switches from 0.8A to 1.5A, I_LIM = 1A)
V_IN
5V
(5V/div)
V_OUT
(2V/div)
I_OUT
(500mA/div)
FLT
(5V/div)
Time (50μs/div)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201960A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • May 16, 2012
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