PRODUCT DATASHEET
AAT1265
SwitchReg
TM
Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package
Typical Characteristics
Single-Cell to 3.3V Efficiency
100
90
100
Dual-Cell to 3.3V Efficiency
V
IN
= 3.0V
Efficiency (%)
Efficiency (%)
V
IN
= 1.5V
90
80
80
70
60
50
0.1
V
IN
= 2.4V
70
60
50
V
IN
= 2.0V
V
IN
= 1.2V
1
10
100
1000
0.1
1
10
100
1000
Output Current (mA)
Output Current (mA)
Single-Cell Load Regulation
(V
OUT
= 3.3V)
2.0
1.5
2.0
1.5
Dual-Cell Load Regulation
(V
OUT
= 3.3V)
V
OUT
Error (%)
V
OUT
Error (%)
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0.1
1
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
V
IN
= 3.0V
V
IN
= 2.4V
V
IN
= 1.5V
V
IN
= 1.2V
10
100
V
IN
= 2.0V
0.1
1
10
100
1000
Output Current (mA)
Output Current (mA)
Li-Ion/Polymer to 5V Efficiency
100
2
Li-Ion/Polymer Load Regulation
(V
OUT
= 5V)
V
IN
= 3.6V
V
OUT
Error (%)
0
V
IN
= 3.1V
Efficiency (%)
80
60
V
IN
= 4.2V
-2
V
IN
= 3.1V
V
IN
= 3.6V
40
V
IN
= 4.2V
20
0.1
1
10
100
1000
0.1
1.0
10.0
100.0
1000.0
Output Current (mA)
Output Current (mA)
1265.2007.12.1.4
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