AAT2315_07 Datasheet, PDF (5/22 Pages) Advanced Analogic Technologies – Dual 600mA Step-Down Converter with Synchronization

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