AAT1230/1230-1
18V 100mA Step-Up Converter
Typical Characteristics
Line Regulation
(V
OUT
= 18V)
2.00
1.50
0.2
Output Voltage Error vs. Temperature
(V
IN
= 5V; V
OUT
= 18V; I
OUT
= 100mA)
Accuracy (%)
1.00
0.50
0.00
-0.50
-1.00
-1.50
-2.00
2.5
3
3.5
Output Error (%)
I
OUT
= 60mA
I
OUT
= 40mA
I
OUT
= 10µA
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-40
-15
10
35
60
85
4
4.5
5
5.5
6
Input Voltage (V)
°
Temperature (°C)
No Load Input Current vs. Input Voltage
(V
OUT
= 18V; EN = High)
3.0
No Load Input Current vs. Temperature
(V
IN
= 3.6V; V
OUT
= 18V)
1.78
1.76
1.74
1.72
1.70
1.68
1.66
1.64
1.62
-40
-15
10
35
60
85
Supply Current (mA)
2.5
2.0
1.5
1.0
0.5
0.0
2.5
3
3.5
4
4.5
5
5.5
6
Supply Current (mA)
Input Voltage (V)
°
Temperature (°C)
Output Ripple
(V
IN
= 4.2V; V
OUT
= 18V; I
OUT
= 100mA)
18.2
18.0
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
18.2
18.0
Output Ripple
(V
IN
= 3.6V; V
OUT
= 18V; No Load)
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
Inductor Current
(bottom) (A)
Inductor Current
(bottom) (A)
Output Voltage
(top) (V)
17.8
17.6
17.4
17.2
17.0
Output Voltage
(top) (V)
17.8
17.6
17.4
17.2
17.0
Time (500ns/div)
Time (50µs/div)
6
1230.2007.06.1.6
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
