H11B1/H11B2/H11B3
Vishay Semiconductors
Optocoupler, Photodarlington Output,
High Gain, with Base Connection
10000
h
FE
- Forward Transfer Gain
V
CE
= 5
V
8000
6000
I
F
V
O
4000
V
CE
= 1
V
2000
t
D
t
R
t
PLH
V
TH
= 1.5
V
t
PHL
t
S
t
F
0
0.01
ih11b1_05
0.1
1
10
100
ih11b1_08
I
b
- Base Current (µA)
Fig. 5 - Non-Saturated and Saturated h
FE
vs. Base Current
Fig. 8 - Switching Waveform
80
V
CC
= 5
V
t
pLH
- Low/High Propagation
Delay (µs)
V
th
= 1.5
V
60
1.0 kΩ
V
CC
= 10
V
F = 10 kHz,
40
220
Ω
470
Ω
DF = 50
%
R
L
V
O
20
100
Ω
0
0
5
10
15
20
ih11b1_09
I
F
= 5 mA
ih11b1_06
I
F
- LED Current (mA)
Fig. 6 - Low to High Propagation Delay vs.
Collector Load Resistance and LED Current
Fig. 9 - Switching Schematic
20
t
pHL
- High/Low Propagation
delay (µs)
1 kΩ
15
V
CC
= 5
V
V
th
= 1.5
V
10
100
Ω
5
0
0
ih11b1_07
5
10
15
20
I
F
- LED Current (mA)
Fig. 7 - High to Low Propagation Delay vs.
Collector Load Resistance and LED Current
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For technical questions, contact: optocoupler.answers@vishay.com
Document Number: 83609
Rev. 1.5, 08-May-08
VISHAY [ VISHAY TELEFUNKEN ]
