AAT1265
Low Voltage 2MHz Step-Up DC/DC
Converter in SC70JW Package
Typical Characteristics
Soft-Start Inrush Current
(VIN = 1.2V; IO = 40mA; VO = 3.3V)
Soft-Start Inrush Current
(VIN = 2.4V; IO = 100mA; VO = 3.3V)
4
1.75
1.5
4
3
1.75
1.5
Output Voltage
3
2
Output Voltage
1.25
1
2
1.25
1
1
1
Enable
Enable
0
0.75
0.5
0
0.75
0.5
-1
-2
-3
-4
-1
-2
-3
-4
Input Current
0.25
0
0.25
0
Input Current
-0.25
-0.25
Time (500µs/div)
Time (500µs/div)
Full Load Output Ripple
(VIN = 1.2V; 100mA Load)
Light Load Output Ripple
(VIN = 1.2V; 10mA Load)
VOUT
(AC Coupled)
(20mV/div)
VOUT
(AC Coupled)
(20mV/div)
IL
(100mA/div)
IL
(200mA/div)
VLX
(2V/div)
VLX
(2V/div)
Time (250ns/div)
Time (1µs/div)
1265.2006.05.1.1
7
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
