AAT2513
Dual 600mA Step-Down
Converter with Synchronization
Electrical Characteristics
Efficiency vs. Load
(VOUT = 3.3V; L = 4.7µH; LL Mode)
DC Regulation
(VIN = 5.0V; VOUT = 3.3V; L = 4.7µH; LL Mode)
100
1.00
VIN = 3.6V
0.75
0.50
90
80
VIN = 4.2V
0.25
70
0.00
VIN = 5.0V
60
-0.25
-0.50
-0.75
-1.00
50
40
30
0.1
1
10
100
1000
0.1
1
10
100
1000
1000
1000
Output Current (mA)
Output Current (mA)
Efficiency vs. Load
(VOUT = 2.5V; L = 3.3µH; LL Mode)
DC Regulation
(VIN = 3.3V to 5.5V; VOUT = 2.5V; L = 3.3µH; LL Mode)
100
2.0
VIN = 2.7V
1.5
1.0
90
80
70
60
50
40
30
0.5
VIN = 3.6V
0.0
VIN = 4.2V
-0.5
-1.0
-1.5
-2.0
VIN = 5.0V
0.1
1
10
100
1000
0.1
1
10
100
Output Current (mA)
Output Current (mA)
Efficiency vs. Load
(VOUT = 1.8V; L = 2.2µH; LL Mode)
DC Regulation
(VOUT = 1.8V; L = 2.2µH; LL Mode)
1.0
0.8
100
90
80
70
60
50
40
30
20
VIN = 2.7V
0.6
VIN = 5.0V
0.4
VIN = 4.2V
0.2
VIN = 3.6V
0.0
VIN = 4.2V
-0.2
-0.4
-0.6
-0.8
VIN = 3.3V
VIN = 5.0V
-1.0
0.1
1
10
100
1000
0.1
1
10
100
Output Current (mA)
Output Current (mA)
2513.2007.04.1.1
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
