AAT2513
Dual 600mA Step-Down
Converter with Synchronization
Electrical Characteristics
Efficiency vs. Load
(VOUT = 1.5V; L = 2.2µH; LL Mode)
DC Regulation
(VOUT = 1.5V; L = 2.2µH; LL Mode)
1.0
100
90
0.8
0.6
VIN = 3.3V
VIN = 4.2V
VIN = 2.7V
80
70
60
50
40
30
20
0.4
0.2
0.0
VIN = 3.6V
VIN = 5.0V
-0.2
-0.4
-0.6
-0.8
-1.0
VIN = 4.2V
0.1
1
10
100
1000
0.1
1
10
100
1000
Output Current (mA)
Output Current (mA)
Switching Frequency vs. Temperature
Switching Frequency vs. Input Voltage
(IOUT = 600mA; 25°C)
1.90
1.85
1.80
1.75
1.70
1.65
1.60
1.55
4
3
2
VIN = 4.2V
VOUT = 1.8V
VOUT = 1.5V
1
0
VIN = 3.6V
-1
-2
-3
-4
VIN = 3.3V
VIN = 2.5V
-40
-20
0
20
40
60
80
100
120
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Temperature (°°C)
Input Voltage (V)
Output Voltage Error Vs. Temperature
(VOUT = 2.5V; IOUT = 600mA)
No Load Quiescent Current vs. Input Voltage
0.30
0.25
0.20
0.15
0.10
0.05
0.00
70
85°C
VIN = 3.6V
65
25°C
60
55
-40°C
VIN = 4.2V
50
45
-40
-20
0
20
40
60
80
100
120
2.5
3
3.5
4
4.5
5
5.5
6
Temperature (°°C)
Input Voltage (V)
6
2513.2007.04.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
