AAT2513
Dual 600mA Step-Down
Converter with Synchronization
Electrical Characteristics
P-Channel RDS(ON) vs. Input Voltage
VIH vs. Input Voltage
1000
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
900
120°C
25°C
100°C
800
-40°C
85°C
700
600
500
85°C
400
25°C
300
2.5
3
3.5
4
4.5
5
5.5
6
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
Input Voltage (V)
VIL vs. Input Voltage
Soft Start
(VIN = 3.6V; VOUT = 1.8V; IOUT = 600mA)
4
3
2
1
0
1.2
1.1
1.0
0.9
0.8
0.7
0.6
25°C
-40°C
0.6
0.4
0.2
0.0
-0.2
85°C
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
Time (50µs/div)
Load Transient
(1mA to 450mA; VIN = 3.6V; VOUT = 1.8V; COUT = 4.7µF)
Load Transient
(1mA to 450mA; VIN = 3.6V; VOUT = 1.8V; COUT = 10µF; CFF = 100pF)
2.0
1.8
1.6
2.0
1.8
450mA
1mA
450mA
1mA
0.5
0
0.5
0.0
-0.5
Time (20µs/div)
Time (20µs/div)
2513.2007.04.1.1
7
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