ELM92xxxx CMOS 600kHz High output current PWM step-up DC/DC converter
• Vout=5.0V (ELM9250xx) (L=2.2μH, Cout=47μF, D=MA735, Top=25°C)
Vout - Vin
Vout - Iout
5.5
5
5.5
5.4
5.3
5.2
5.1
5
4.5
4
3.0V
1.8V
Iout=150mA
4.9
4.8
4.7
4.6
4.5
1.1V
60mA
10mA
1.5V
3.5
Vin=0.9V
3
0
1
2
3
0.1
1
10
100
1000
Vin (V)
Iout (mA)
EFFICIENCY - Iout
Vout1 - Top
100
90
80
70
60
50
40
30
20
10
0
5.2
5.1
5
Vin=3.0V, Iout=60mA
3.0V
1.8V
1.5V
Vin=0.9V
1.1V
4.9
4.8
0.1
1
10
100
1000
-20 -10
0
10 20 30 40 50 60 70
Top(°C)
Iout (mA)
Vst - Iout
Load-Transient Response
2
1.5
1
200 ˩s /div
-20°C
+25°C
Vout, 50mV/div
Iout
+70°C
0.5
100mA
100 ˩A
0
0.1
1
10
100
Iout (mA)
15 - 14