High Power DC/DC Boost Converter
with Optional Dynamic Voltage Programming
Typical Characteristics
Efficiency vs. Load
(V
OUT
= 15V)
95
85
2
AAT1210
DC Regulation
(V
OUT
= 15V)
V
IN
= 5.5V
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 3.0V
V
IN
= 2.7V
1
10
100
1000
V
IN
= 5.5V
V
IN
= 4.5V
Output Error (%)
1
0
-1
-2
-3
-4
V
IN
= 4.5V
Efficiency (%)
75
65
55
45
35
25
0.1
1
10
100
1000
V
IN
= 3.6V
V
IN
= 4.2V
-5
0.1
Output Current (mA)
Output Current (mA)
Line Regulation
(V
OUT
= 12V)
2
1.5
1
0.5
0
-0.5
-1
-1.5
-2
2.5
3
3.5
4
4.5
5
5.5
6
Output Voltage Error vs. Temperature
(V
IN
= 3.6V; V
OUT
= 12V; I
OUT
= 100mA)
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-40
-15
10
35
60
85
V
IN
= 5.5V
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 3.0V
Output Error (%)
V
IN
= 4.2V
Accuracy (%)
Input Voltage (V)
Temperature (°C)
°
No Load Input Current vs. Input Voltage
(EN = High)
3
0.34
0.33
0.32
0.31
0.3
0.29
0.28
0.27
0.26
No Load Input Current vs. Temperature
(V
IN
= 3.6V; V
OUT
= 5V)
Supply Current (mA)
2.5
2
1.5
1
0.5
0
2.5
3
V
OUT
= 18V
V
OUT
= 9V
V
OUT
= 12V
V
OUT
= 5V
Supply Current (mA)
3.5
4
4.5
5
5.5
6
0.25
-40
-15
10
35
60
85
Input Voltage (V)
Temperature (°C)
°
1210.2007.02.1.2
7
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
