Figure 5. Collector-base photocurrent versus LED
current
1000
Ta = 25°C
100
10
1
.1
.1
1
10
100
IF - LED Current - mA
Figure 6. Collector-emitter current versus LED current
10000
1000
Ta = 25°C
Vce = 5 V
100
Vce = 1 V
10
1
.1
.01
.001
.1
1
10
100
Ib - Base Current - µs
1000
Figure 7. Non-saturated and saturated HFE versus
LED current
25000
20000
Ta = 25°C
Vce = 5 V
15000
10000
5000
0
.1
Vce = 1 V
1
10
100
Ib - Base Current - µA
1000
Figure 8. High/low propagation delay versus
colleFcigtourrelo8ad resistance and LED current
50
40
10KΩ
30
Ta = 25°C
Vcc = 5 V
Vth = 1.5 V
20 220Ω
10
0
0
5
10
15
20
IF - LED Current - mA
Figure 9. Low/high propagation delay versus collector
load resistance and LED current
150
125
10KΩ
100
75 Ta = 25°C
50 Vcc = 5 V
Vth = 1.5 V
25
2KΩ
220Ω
0
0
5
10
15
20
IF - LED Current - mA
Figure 10. Switching waveform
IF
tD
VO
tR
tPLH
tPHL
VTH=1.5 V
tS
tF
Figure 11. Switching schematic
VCC=10 V
F=10 KHz,
DF=50%
RL
VO
IF
IL/ILD/ILQ66
5–3