AME5125 Datasheet, PDF (7/11 Pages) Analog Microelectronics – High Efficiency 500KHz

AME
AME5125
n Characterization Curve
Output Voltage Ripple
(2V/DViv^IN) C1
(5V/DVi^Sv^W) ^C2
High Efficiency 500KHz
Step-Up Converter
(2V/DViv^IN) C1
(5V/DVi^Sv^W) ^C2
Output Voltage Ripple
(200mA/DivI)^L C4
(50mV/VD^Oiv^UT) ^C3
V_IN=3.2V, I_OUT=0mA
Time(2ms/Div)
Output Voltage Ripple
(2V/DViv^IN) C1
(5V/DVi^Sv^W) ^C2
(2A/DivI)^L C4
(200mV/VD^Oiv^UT) ^C3
V_IN=3.2V, I_OUT=2000mA
Time(1µs/Div)
(1A/DivI)^L _C4
(100mV/VD^Oiv^UT) ^C3
V_IN=3.2V, I_OUT=1000mA
Time(1µs/Div)
RISET vs Current Limit
8
7.5
7
6.5
6
5.5
5
4.5
4
3.5
3
90 110 130 150 170 190 210 230 250
RISET(KΩ)
Efficiency
100
90
80
70
V_IN=3.7 V_OUT=5V
60
50
0.0
0.5
1.0
1.5
2.0
Current (A)
Rev.P01
7