AME5249 Datasheet, PDF (14/21 Pages) Analog Microelectronics – 1.5MHz, 600mA Synchronous Buck Converter

AME
AME5249
100
90
80
70
60
50
40
30
20
10
0. 1
Efficiency vs Output Current
VIN=3.6V
VIN=4.2V
VIN=2.7V
V_OUT=2.5V
1
10
100
1000
Output Current(mA)
Reference Voltage vs Temperature
0.620
0.615
VIN=3.6V
0.610
0.605
0.600
0.595
0.590
0.585
0.580
-40
-15
+10
+35
+60
+85
Temperature(^oC)
+110
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
V _IN (V)
14
1.5MHz, 600mA
Synchronous Buck Converter
100
90
80
70
60
50
40
30
20
10
0. 1
Efficiency vs Output Current
VIN=3 .6V
V_IN=4.2V
V IN=2.7 V
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
V_OUT=1.8V
40 _{IOUT =0A}
35
30
25
20
15
10
5
0
2.5
3.5
4.5
5.5
VIN(V)
Rev.A.01