ELM92xxxx CMOS 600kHz High output current PWM step-up DC/DC converter
• ELM9227xx, ELM9230xx, ELM9233xx, ELM9250xx
(L=2.2μH, Cout=47μF, D=MA735, Top=25°C)
Iss1 - Top
600
9250XX
500
400
9230XX
9233XX
300
9227XX
200
-20 -10
0
10 20 30 40 50 60 70
Top (°C)
• ELM92xxxx (L=2.2μH, Cout=47μF, D=MA735, Top=25°C)
Fosc - Top
Duty - Top
700
680
660
640
620
600
580
560
540
520
500
95
90
85
80
75
-20 -10
0
10 20 30 40 50 60 70
Top (°C)
-20 -10
0
10 20 30 40 50 60 70
Top (°C)
Vceh - Vout
Vcel - Vout
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.8
0.7
0.6
0.5
0.4
0.3
0.2
Top= -20°C
Top= -20°C
+25°C
+25°C
+70°C
+70°C
2
3
4
5
6
2
3
4
5
6
Vout(V)
Vout(V)
15 - 15