PRODUCT DATASHEET
AAT1265
SwitchReg
TM
Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package
Typical Characteristics
3.3V to 5V Efficiency
100
2
3.3V to 5V Load Regulation
Efficiency (%)
80
Output Error (%)
0
60
-2
40
20
0.1
1
10
100
1000
-4
0.1
1
10
100
1000
Output Current (mA)
Output Current (mA)
Minimum Start-Up Voltage vs. Load Current
(V
OUT
= 3.3V)
2.4
2.2
2.0
Light Load Mode Output Current Threshold
vs. Input Voltage
120
Output Current (mA)
100
80
60
40
20
0
Constant Current Load
Increasing Load
Voltage (V)
1.8
1.6
1.4
1.2
1.0
0.8
0
2
40
60
80
100
120
140
160
Resistive Load
Decreasing Load
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
Current (mA)
Input Voltage (V)
No Load Input Current vs. Input Voltage
(V
OUT
= 3.3V)
200
No Load Input Current vs. Input Voltage
(V
OUT
= 5V)
350
Input Current (µA)
160
120
80
40
0
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
Input Current (µA)
300
250
200
150
100
50
0
1.8
2.2
2.6
3.0
3.4
3.8
4.2
4.6
Input Voltage (V)
Input Voltage (mA)
6
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1265.2007.12.1.4
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