AAT2514 Datasheet, PDF (5/16 Pages) Advanced Analogic Technologies – Dual Channel 600mA Step-Down Converter

AAT2514
Dual Channel 600mA Step-Down Converter
Typical Characteristics
Efficiency vs. Load Current
(V_OUT = 2.5V; T_A = 25°C)
100
90
80
70
60
50
40
30
20
10
0
0.1
V_IN = 4.2V
1
V_IN = 2.7V
V_IN = 3.3V
10
100
1000
Load Current (mA)
Efficiency vs. Load Current
(V_OUT = 1.8V; T_A = 25°C)
100
90
80
70
60
50
40
30
20
10
0
0.1
V_IN = 2.7V
V_IN = 3.3V
V_IN = 4.2V
1
10
100
1000
Load Current (mA)
Efficiency vs. Load Current
(V_OUT = 1.5V; T_A = 25°C)
100
90
80
70
60
50
40
30
20
10
0
0.1
V_IN = 2.7V
V_IN = 4.2V
V_IN = 3.3V
1
10
100
1000
Load Current (mA)
100
90
80
70
60
50
40
30
20
10
0
2.5
Efficiency vs. Input Voltage
(V = 1.8V; T = 25ºC)
OUT
A
I_LOAD = 100mA
I_LOAD = 600mA
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
Efficiency vs. Load Current
(V_OUT = 1.2V; T_A = 25°C)
100
90
80
70
60
50 ^{VIN = 2.7V}
40
30
20
10
0
0.1
1
V_IN = 4.2V
V_IN = 3.3V
10
100
1000
Load Current (mA)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
1
Load Regulation
(V_IN = 3.6V; V_OUT = 1.8V; L = 2.2µH)
10
100
1000
Load Current (mA)
2514.2007.06.1.0
5