AAT1232 Datasheet, PDF (6/17 Pages) Advanced Analogic Technologies – 24V 100mA Step-Up Converter

Typical Characteristics
Line Regulation
(V_OUT = 18V; R3 = 20kΩ)
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
2.5
3
3.5
4
4.5
5
5.5
6
Input Voltage (V)
No Load Quiescent Current vs. Input Voltage
(V_OUT = 18V; EN_High)
0.4
0.36
0.32
0.28
0.24
0.2
0.16
0.12
0.08
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Output Ripple
(V_IN = 4.2V; V_OUT = 18V; I_OUT = 100mA)
18.2
5.0
18.0
4.0
17.8
3.0
17.6
2.0
17.4
1.0
17.2
0.0
17.0
-1.0
Time (500ns/div)
AAT1232
24V 100mA Step-Up Converter
Output Voltage Error vs. Temperature
(V_IN = 5V; V_OUT = 18V; I_OUT = 100mA)
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-40
-15
10
35
60
85
Temperature (°C)
No Load Input Current vs. Temperature
(V_IN = 3.6V; V_OUT = 18V)
1.2
1.1
0.9
0.8
0.6
0.5
0.3
0.2
0.0
-40
-15
10
35
60
85
Temperature (°C)
Output Ripple
(V_IN = 4.2V; V_OUT = 18V; No Load)
18.2
1.0
18.0
0.8
17.8
0.6
17.6
0.4
17.4
0.2
17.2
0.0
17.0
-0.2
Time (100µs/div)
6
1232.2006.12.1.3