AAT1230/1230-1
18V 100mA Step-Up Converter
Typical Characteristics
Load Transient Response
(VIN = 4.2V; IOUT = 20mA–60mA; VOUT = 18V)
Load Transient Response
(VIN = 3.6V; IOUT = 20mA–60mA; VOUT = 12V)
12.10
1.50
1.20
0.90
0.60
0.30
0.00
-0.30
18.10
18.05
18.00
17.95
17.90
17.85
17.80
1.5
12.05
12.00
11.95
11.90
11.85
11.80
1.2
0.9
0.6
0.3
0.0
-0.3
Time (200µs/div)
Time (200µs/div)
P-Channel RDS(ON) vs. Input Voltage
N-Channel RDS(ON) vs. Input Voltage
300
110
280
260
240
220
200
180
160
140
120
100
120°C
100°C
100
90
80
70
60
50
40
120°C
100°C
25°C
85°C
85°C
25°C
2.5
3
3.5
4
4.5
5
5.5
6
2.5
3
3.5
4
4.5
5
5.5
6
Input Voltage (V)
Input Voltage (V)
AAT1230 Soft Start
(VIN = 3.6V; CIN = 2.2µF; IOUT = 100mA; VOUT = 12V)
AAT1230-1 Soft Start
(VIN = 3.6V; CIN = 2.2µF; IOUT = 100mA; VOUT = 18V)
16
12
8
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0.0
-0.4
20
15
10
5
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0.0
-0.2
4
0
0
-4
-5
-8
-10
-15
-20
-12
-16
Time (200µs/div)
Time (1ms/div)
1230.2007.06.1.6
7
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
