AME5249A Datasheet, PDF (14/21 Pages) Analog Microelectronics – 1.5MHz, 600mA Synchronous Buck Converter

AME
AME5249A
n Characterization Curve
100
90
80
70
60
50
40
30
20
10
0.1
Efficiency vs Output Current
V_IN=3.6V
V_IN=4.2V
V_IN=2.7V
V_OUT=2.5V
1
10
100
1000
Output Current(mA)
Reference Voltage vs Temperature
0.620
0.615
V_IN=3.6V
0.610
0.605
0.600
0.595
0.590
0.585
0.580
-40
-15
+10
+35
+60
+85 +110
Temperature(^oC)
Oscillator Frequency vs Supply Voltage
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
2.5
3.5
4.5
5.5
14
V_IN(V)
1.5MHz, 600mA
Synchronous Buck Converter
100
90
80
70
60
50
40
30
20
10
0.1
Efficiency vs Output Current
V_IN=3.6V
V_IN=4.2V
V_IN=2.7V
V_OUT=1.5V
1
10
100
1000
Output Current(mA)
Oscillator Frequency vs Temperature
1.70
1.65 ^VIN=3.6V
1.60
1.55
1.50
1.45
1.40
1.35
1.30
-40
-15
+10
+35
+60
+85 +110
Temperature(^oC)
Quiescent Current vs Input Voltage
50
45 ^VIN=3.6V
VOUT=1.8V
40 _IOUT=0A
35
30
25
20
15
10
5
0
2.5
3 .5
4.5
VIN(V)
5.5
Rev.A.01