Document Number: 83654 For technical questions, contact: optocoupler.answers@vishay.com
www.vishay.com
Rev. 1.5, 20-Dec-07 5
ILD621/ILD621GB/ILQ621/ILQ621GB
Optocoupler, Phototransistor Output
(Dual, Quad Channel)
Vishay Semiconductors
Fig. 5 - Maximum LED Current vs. Ambient Temperature
Fig. 6 - Maximum LED Power Dissipation
Fig. 7 - Forward Voltage vs. Forward Current
Fig. 8 - Collector Emitter Current vs. Temperature and LED Current
Fig. 9 - Collector Emitter Leakage vs. Temperature
Fig. 10 - Propagation Delay vs. Collector Load Resistor
- 60 - 40 - 20 0 20 40 60 80 100
120
100
80
60
40
0
20
T
amb
- Ambient Temperature (°C)
I
F
- Maximum LED Currrent (mA)
T
J
(max.) = 100 °C
iild621_05
iild621_06
- 60 - 40 - 20 20 40 60 80 100
200
100
0
50
T
amb
- Ambient Temperature (°C)
P
LED
- LED Power (mW)
150
0
iild621_07
I
F
- Forward Current (mA)
1001010.1
0.7
0.8
0.9
1.0
1.1
1.2
1.
3
1.4
V
F
- Forward Voltage (V)
T
A
= 85 °C
T
A
= 85 °C
T
A
= 85 °C
iild621_08
60503020100
0
5
10
15
20
25
30
35
50 °C
70 °C
85 °C
I
F
- LED Current (mA)
I
CE
- Collector Current (mA)
25 °C
40
iild621_09
100806040200- 20
10
10
10
10
10
10
10
10
- 2
- 1
0
1
2
3
4
5
T
amb
- Ambient Temperature (°C)
I
CEO
- Collector Emitter (nA)
V
CE
= 10 V
Typical
iild621_10
R
L
- Collector Load Resistor (kΩ)
1001010.1
1
10
100
1000
1.0
1.5
2.0
2.5
t
PLH
t
PLH
- Propagation Low-High (µs)
t
PHL
- Propagation High-Low (µs)
I
F
= 10 mA
V
CC
= 5 V, Vth = 1.5 V
t
PHL