AME5250 Datasheet, PDF (13/21 Pages) Analog Microelectronics – 1A, 1.5MHz Synchronous Step-Down Converter

AME
AME5250
n Characterization Curve
Efficiency vs. Output Current
100
90
VIN = 2.7V
80
70
60
50
V_OUT = 2.5V C_OUT = 10µF L = 2.2µH
40
0. 1
1
10
100
1000
Output Current(mA)
Efficiency vs. Output Current
100
90
VIN = 2.7V
80
70
60
50
V_OUT = 1.5V C_OUT = 10µF L = 2.2µH
40
0.1
1
10
100
1000
Output Current(mA)
Efficiency vs. Output Current
100
V_IN = 2.5V
90
80
70
60
Rev.B.04
50
VOUT = 1.2V COUT = 10µF L = 2.2µH
40
0.1
1
10
100
1000
Output Current(mA)
1A, 1.5MHz Synchronous
Step-Down Converter
Efficiency vs. Output Current
100
90
VIN = 3.6V
80
70
60
50
V_OUT = 2.5V C_OUT = 10µF L = 2.2µH
40
0. 1
1
10
100
1000
Output Current(mA)
Efficiency vs. Output Current
100
90
V_IN = 3.6V
80
70
60
50
VOUT = 1.5V COUT = 10µF L = 2.2µH
40
0.1
1
10
100
1000
Output Current(mA)
Efficiency vs. Output Current
100
V_IN = 5.5V
90
80
70
60
50
V_OUT = 1.2V C_OUT = 10µF L = 2.2µH
40
0 .1
1
10
100
1000
Output Current(mA)
13