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