AAT1150_06 Datasheet, PDF (6/17 Pages) Advanced Analogic Technologies – 1MHz 1A Step-Down DC/DC Converter

AAT1150
1MHz 1A Step-Down DC/DC Converter
Typical Characteristics
Oscillator Frequency Variation vs.
Supply Voltage
3.5
2.5
1.5
0.5
-0.5
-1.5
2.5
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
Oscillator Frequency Variation vs. Temperature
(V_IN = 3.6V)
10
6
2
-2
-6
-10
-20
0
20
40
60
80
100
Temperature (°C)
Output Voltage vs. Temperature
(I_OUT = 900mA; V_OUT = 1.5V)
1.0
0.6
0.2
V_IN = 2.7V
-0.2
V_IN = 3.6V
-0.6
-1.0
-20
0
20
40
60
80
100
Temperature (°C)
Line Regulation
(V_OUT = 1.5V)
0.25
0.15
0.05
-0.05
I_OUT = 1.0A
I_OUT = 0.4A
-0.15
-0.25
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Load Regulation
(V_OUT = 1.5V; V_IN = 3.6V)
0
-1
-2
-3
-4
-5
0
150
300
450
600
750
900
I_OUT (mA)
Load Regulation
(V_OUT = 3.3V; V_IN = 5.0V)
0
-1
-2
-3
-4
-5
0
150
300
450
600
750
900
1050
Output Current (mA)
6
1150.2006.09.1.5