Document Number: 83640

For technical questions, contact: optocoupler.answers@vishay.com

www.vishay.com

Rev. 1.6, 09-Jan-08

5

IL74/ILD74/ILQ74

Optocoupler, Phototransistor Output

(Single, Dual, Quad Channel)

Vishay Semiconductors

Temperature

Temperature

Fig. 13 - Propagation Delay vs. Collector Load Resistor

iil74_11

1

10

100

1000

0.4

0.6

0.8

1.0

1.2

- 20 °C

25 °C

50 °C

70 °C

Normalized to:

iil74_12

0.0

0.5

1.0

1.5

25 °C

- 20 °C

50 °C

70 °C

1

10

100

1000

Normalized to:

iil74_13

Ω)

100

10

1

0.1

1

10

100

1000

1.0

1.5

2.0

2.5

tpLH

tpHL