AAT1265
Low Voltage 2MHz Step-Up DC/DC
Converter in SC70JW Package
Typical Characteristics
No Load Input Current vs. Input Voltage
Switching Frequency vs. Temperature
200
160
120
80
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
40
0
-40
-15
10
35
60
85
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 Voltage (V)
Temperature (°°C)
Maximum Load Current Capacity for a 4%
Drop in Output Voltage vs. Input Voltage
(VOUT = 3.3V)
Load Transient Response
(VIN = 1.2V; L = 2.2µH; CO = 4.7µF)
3.40
3.35
3.30
3.25
3.20
600
500
400
300
200
100
0
0.15
0.10
0.05
0.00
100mA
50mA
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
Time (50µs/div)
Input Voltage (V)
Output Voltage vs. Temperature
(VIN = 1.5V; IO = 10mA)
Line Transient Response
(IO = 50mA; L = 2.2µH; CO = 4.7µF)
0.40
2.50
2.25
2.00
1.75
1.50
2.4V
0.20
0.00
1.9V
-0.20
-0.40
-0.60
-0.80
3.34
3.32
3.30
3.28
3.26
-40
-20
0
20
40
60
80
Time (50µs/div)
Temperature (°C)
6
1265.2006.05.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
