AME
1.5MHz, 600mA
Synchronous Buck Converter
AME5248A
Stead State Test
RDS(ON) vs Temperature
0.7
VIN
V =3.6V
IN
0.6
200mV/Div
AC COUPLED
High-Side Switch
0.5
0.4
VOUT
20mV/Div
IL
Low-Side Switch
0.3
100mA/Div
0.2
0.1
VSW
2V /Div
AC COUPLED
-40
-15
+10
+35
+60
+85
+110
VIN=3.6V
VOUT=1.8V
IOUT=300mA
1mS/Div
Temperature(o C)
RDS(ON) vs Input Voltage
Output Voltage vs Output Current
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.87
1.86
1.85
1.84
1.83
1.82
1.81
1.80
1.79
High-Side Switch
Low-Side Switch
1.78
1.77
0
100
200
300
400
500
600
2.5
3.5
4.5
5.5
Input Voltage(V)
Output Current(mA)
Current Limit vs VIN
Start Up From Shutdown
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
Run
2V/Div
VOUT
1V/Div
IL
500mA/Div
VOUT=1.2V
2.5 2.8 3.1
3.4 3.7 4.0 4.3 4.6
4.9 5.2
5.5
V =3.6V
VOUT=1.8V
100mS/Div
IN
V (V)
IN
IOUT=550mA
Rev.A.01
15
AME [ ANALOG MICROELECTRONICS ]
