Document Number: 83618

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

www.vishay.com

Rev. 1.4, 09-May-08

339

IL250/251/252/ILD250/251/252

Optocoupler, Phototransistor Output,

AC Input, with Base Connection

Vishay Semiconductors

Base Current and Temperature

Base Current and Temperature

Fig. 13 - Propagation Delay vs. Collector Load Resistor

Fig. 14 - Switching Timing

Fig. 15 - Switching Schematic

iil250_11

1000

0.4

0.6

0.8

1.0

1.2

- 20 °C

25 °C

50 °C

70 °C

Normalized to:

V

100

1

10

iil250_12

100

1000

0.0

0.5

1.0

1.5

Normalized to:

70 °C

50 °C

25 °C

- 20 °C

1

10

iil250_13

100

10

1

0.1

1

10

100

1000

1.0

1.5

2.0

2.5

TA = 25 °C, IF =10mA

iil250_14

iil250_15

VO

VCC =5 V

R L

IF = 10 mA

F = 10 kHz,

DF = 50 %