IL256AT datasheet(3/7 Pages) VISHAY

3 / 7 page

Document Number: 83620

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

www.vishay.com

Rev. 1.8, 08-Jan-08

IL256AT

Optocoupler, Phototransistor Output,

AC Input, with Base Connection

Vishay Semiconductors

TYPICAL CHARACTERISTICS

Tamb = 25 °C, unless otherwise specified

Fig. 1 - LED Forward Current vs.Forward Voltage

Fig. 2 - Forward Voltage vs. Forward Current

Fig. 3 - Peak LED Current vs. Duty Factor, Tau

Fig. 4 - Normalized CTR vs. IF and Tamb

Fig. 5 - Normalized Saturated CTR

Fig. 6 - Normalized CTRcb

iil256at_01

- 1.5 - 1.0

- 0.5

0.0

0.5

1.0

1.5

- 20

- 40

- 60

- 55 °C

F - LED Forward Voltage (V)

85 °C

25 °C

iil256at_02

100

1.4

1.3

1.2

1.1

1.0

0.9

0.8

0.7

F - Forward Current (mA)

A = - 55 °C

A = 100 °C

A = 25 °C

0.1

iil256at_03

10 - 6 10 - 5

10 - 4

10 - 3 10 - 2

10 - 1

10 0

10 1

10000

1000

100

t - LED Pulse Duration (s)

0.005

0.05

0.02

0.01

0.1

0.2

0.5

Duty Factor

DF = /t

iil256at_04

100

2.0

1.5

1.0

0.5

0.0

IF - LED Current (mA)

TA = 25 °C

TA = 50 °C

TA = 70 °C

TA = 100 °C

Normalized to:

IF = 10 mA, VCE = 10 V

TA = 25 °C

0.1

iil256at_05

100

1.0

0.8

0.6

0.4

0.2

0.0

IF - LED Current (mA)

Normalized to:

IF = 10 mA, VCE = 10 V

TA = 25 °C

VCE(sat) = 0.4 V

TA = 25 °C

TA = 50 °C

TA = 70 °C

TA = 100 °C

0.1

iil256at_06

100

1.5

1.0

0.5

0.0

A = 25 °C

A = 50 °C

A = 70 °C

F - LED Current (mA)

Normalized to:

F = 10 mA

0.1

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