IL74 datasheet(4/9 Pages) VISHAY

4 / 9 page

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

Document Number: 83640

Rev. 1.6, 09-Jan-08

IL74/ILD74/ILQ74

Vishay Semiconductors

Optocoupler, Phototransistor Output

(Single, Dual, Quad Channel)

Fig. 5 - Normalized Non-Saturated and Saturated CTR vs.

LED Current

Fig. 6 - Collector Emitter Current vs. Temperature and LED Current

Fig. 7 - Collector Emitter Leakage Current vs.Temperature

Fig. 8 - Normalized CTRcb vs. LED Current and Temperature

Fig. 9 - Collector Base Photocurrent vs. LED Current

Fig. 10 - Normalized Photocurrent vs. IF and Temperature

iil74_05

0.1

100

1.5

1.0

0.5

0.0

IF - LED Current (mA)

NCTR(SAT)

NCTR

Normalized to:

CE = 10 V,IF = 10 mA, TA = 25 °C

CTRce(sat) VCE = 0.4 V

A = 85 °C

iil74_06

50 °C

70 °C

85 °C

IF - LED Current (mA)

25 °C

iil74_07

100

- 20

-2

-1

TA - Ambient Temperature (°C)

VCE = 10 V

Typical

iil74_08

0.1

100

0.0

0.5

1.0

1.5

25 °C

50 °C

70 °C

IF - Current (mA)

IF = 10 mA

Vcb = 9.3 V

Ta = 25 °C

Normalized to:

iil74_09

100

0.1

0.01

0.1

100

1000

IF - LED Current (mA)

Icb = 1.0357 * IF ^ 1.3631

Ta = 25 °C

iil74_10

100

0.1

0.01

0.1

IF - LED Current (mA)

Normalized to:

IF = 10 mA, Ta = 25 °C

NIB - Ta = - 20 °C

NIb, Ta = 25 °C

NIb, Ta = 50 °C

NIb, Ta = 70 °C

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