AAT1150_06 Datasheet, PDF (5/17 Pages) Advanced Analogic Technologies – 1MHz 1A Step-Down DC/DC Converter

AAT1150
1MHz 1A Step-Down DC/DC Converter
Typical Characteristics
Efficiency vs. Output Current
(V_OUT = 1.5V)
100
80
2.7V
60
4.2V
40
3.6V
20
0
10
100
1000
Output Current (mA)
Efficiency vs. Output Current
(V_OUT = 3.3V)
100
90 _{VIN = 5.0V}
80
70
60
50
40
30
20
10
0
10
100
1000
Output Current (mA)
High Side R_DS(ON) vs. Temperature
170
150
3.6V
2.7V
130
110
90
4.2V ^5.5V
70
-20
0
20
40
60
80
100
120
Temperature (°C)
Low Side R_DS(ON) vs. Temperature
170
150
130
2.7V
110
90
70
-20
0
3.6V
4.2V
5.5V
20
40
60
80
Temperature (°C)
100
120
130
120
110
100
90
80
2.5
R_DS(ON) vs. Input Voltage
High Side
Low Side
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Enable Threshold vs. Input Voltage
1.2
1.1
V_EN(H)
1
0.9
0.8
V_EN(L)
0.7
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
1150.2006.09.1.5
5