AME5249A Datasheet, PDF (15/21 Pages) Analog Microelectronics – 1.5MHz, 600mA Synchronous Buck Converter

AME
AME5249A
1.5MHz, 600mA
Synchronous Buck Converter
n Characterization Curve (Contd.)
Quiescent Current vs Temperature
50
45 ^VIN=3.6V
V _OUT=1.8V
40
I_OUT =0A
35
VSW
5V /Div
Light Load Mode
30
VOUT
25
100mV/Div
20
AC COUPLED
15
10
I_L
200mA/Div
5
0
-40
-15
+10
+35
+60
+85 +110
Temperature(^oC)
Load Step
V_IN=3.6V
V_OUT=1.8V
I_OUT=50mA
5µS/Div
Load Step
VOUT
100mV/Div
AC COUPLED
IL
500mA/Div
V_OUT
100mV/Div
AC COUPLED
IL
500mA/Div
I_OUT
500mA /Div
VIN=3.6V
20µS/Div
VOUT=1.8V
IOUT=0mA to 600mA
Load Step
IOUT
500mA /Div
VIN=3.6V
20µS/Div
VOUT=1.8V
IOUT=50mA to 600mA
Load Step
VOUT
100mV/Div
AC COUPLED
IL
500mA/Div
IOUT
500mA/Div
Rev.A.01
VIN=3.6V
20µS/Div
VOUT=1.8V
IOUT=100mA to 600mA
V_OUT
100mV/Div
AC COUPLED
IL
500mA/Div
IOUT
500mA/Div
VIN=3.6V
20µS/Div
VOUT=1.8V
IOUT=200mA to 600mA
15