IL221A Datasheet, PDF (3/3 Pages) Siemens Semiconductor Group – PHOTODARLINGTON SMALL OUTLINE SURFACE MOUNT OPTOCOUPLER

Figure 9. Normalized I_CB versus I_F
1000
Ta = -20°C
Ta = 25°C
100
Ta = 50°C
Normalized to:
IF = 1mA, Ta =25°C
Vcb = 10V
Ta =70°C
10
1
.1
.1
1
10
100
If - LED Current - mA
Figure 10. Switching timing
I_F
t_D
V_O
t_R
t_PLH
t_PHL
V_TH=1.5 V
t_S
t_F
Figure 11. Switching schematic
V_CC=10 V
F=10 KHz,
DF=50%
R_L
V_O
IF=5 mA
IL221A/222A/223A
5–3