PRODUCT DATASHEET
AAT2514
SwitchReg
TM
Typical Characteristics
Efficiency vs. Load Current
(V
OUT
= 2.5V; T
A
= 25°C)
100
90
80
100
90
80
Dual Channel 600mA Step-Down Converter
Efficiency vs. Load Current
(V
OUT
= 1.8V; T
A
= 25°C)
V
IN
= 2.7V
V
IN
= 3.3V
V
IN
= 4.2V
Efficiency (%)
Efficiency (%)
70
60
50
40
30
20
10
0
0.1
V
IN
= 4.2V
V
IN
= 2.7V
V
IN
= 3.3V
70
60
50
40
30
20
10
0
1
10
100
1000
0.1
1
10
100
1000
Load Current (mA)
Load Current (mA)
Efficiency vs. Load Current
(V
OUT
= 1.5V; T
A
= 25°C)
100
90
80
100
90
80
Efficiency vs. Load Current
(V
OUT
= 1.2V; T
A
= 25°C)
Efficiency (%)
70
60
50
40
30
20
10
0
0.1
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.3V
Efficiency (%)
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
1
10
100
1000
Load Current (mA)
Load Current (mA)
Efficiency vs. Input Voltage
(V
OUT
= 1.8V; T
A
= 25ºC)
100
90
80
Load Regulation
(V
IN
= 3.6V;
V
OUT
= 1.8V; L = 2.2μH)
Output Voltage Error (%)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
1
10
100
1000
I
LOAD
= 100mA
I
LOAD
= 600mA
Efficiency (%)
70
60
50
40
30
20
10
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
Load Current (mA)
2514.2008.02.1.1
www.analogictech.com
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
