AME
1.5MHz, 600mA
Synchronous Buck Converter
AME5248A
Quiescent Current vs Temperature
Light Load Mode
50
45
40
35
30
VIN=3.6V
VOUT=1.8V
VSW
5V /Div
IOUT=0A
VOUT
100mV/Div
AC COUPLED
25
20
15
10
IL
200mA/Div
5
0
-40
-15
+10
+35
+60
+85
+110
V =3.6V
IN
5mS/Div
Temperature(oC)
VOUT=1.8V
IOUT=50mA
Load Step
Load Step
VOUT
100mV/Div
VOUT
100mV/Div
AC COUPLED
AC COUPLED
IL
IL
500mA/Div
500mA/Div
IOUT
500mA/Div
IOUT
500mA /Div
VIN=3.6V
VOUT=1.8V
IOUT=50mA to 600mA
20mS/Div
VIN=3.6V
VOUT=1.8V
IOUT=0mA to 600mA
20mS/Div
Load Step
Load Step
VOUT
VOUT
100mV /Div
AC COUPLED
100mV/Div
AC COUPLED
IL
IL
500mA /Div
500mA/Div
IOUT
500mA /Div
IOUT
500mA/Div
V =3.6V
VOUT=1.8V
IOUT=200mA to 600mA
IN
20mS/Div
VIN=3.6V
VOUT=1.8V
IOUT=100mA to 600mA
20mS/Div
14
Rev.A.01
AME [ ANALOG MICROELECTRONICS ]
