Figure 1. Forward voltage versus forward current
1.4
VF - Forward Voltage - V
Figure 5. Non-saturated and saturated HFE versus
base current
5
HFE - Forward Transfer Gain
1.3
1.2
1.1
1.0
0.9
0.8
0.7
.1
Ta = -55°C
Ta = 25°C
10000
8000
6000
4000
2000
0
.01
Ta = 25°C
Vce = 5 V
Ta = 100°C
Vce = 1 V
1
10
IF - Forward Current - mA
100
.1
1
10
100
Ib - Base Current -
µA
Figure 2. Normalized non-saturated and saturated
CTRce versus LED current
NCTRce - Normalized CTRce
1.2
1.0
0.8
0.6
0.4
0.2
Vce =1V
0.0
.1
1
10
100
IF - LED Current - mA
1000
Normalized to:
Vce = 5 V
IF = 10 mA
Ta = 25
°C
Vce = 5 V
Figure 6. Low to high propagation delay versus
collector load resistance and LED current
tpLH - Low/High Propagation
Delay -
µs
80 Ta = 25°C, Vcc = 5V
Vth = 1.5 V
60
40
470Ω
20
100Ω
0
0
5
10
15
IF - LED Current - mA
20
1KΩ
220Ω
Figure 3. Normalized non-saturated and saturated col-
lector-emitter current versus LED current
10 Normalized to:
Ta = 25°C
IF = 10 mA
1
Vce = 5 V
.1
.01
.001
.1
Vce = 5 V
Figure 7. High to low propagation delay versus
collector load resistance and LED current
20
tpHL - High/Low Propagation
delay -
µs
NIce - Normalized Ice
1KΩ
15
Vce = 1V
Ta = 25°C
Vcc = 5 V
Vth = 1.5 V
10
5
0
0
5
10
15
IF - LED Current - mA
20
100Ω
1
10
IF - LED Current - mA
100
Figure 4. Normalized collector-base photocurrent
versus LED current
10
NIcb - Normalized Icb
Figure 8. Switching waveform and switching schematic
1
.1
Normalized to:
Ta = 25°C
Vcb = 3.5 V
IF = 10 mA
I
F
V
CC
R
L
V
O
.01
.001
.1
1
10
IF - LED Current - mA
100
t
D
t
R
t
PLH
V
TH
=1.5 V
t
F
IF
V
O
t
PHL
t
S
4N32/33
5–2
INFINEON [ INFINEON TECHNOLOGIES AG ]
