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For technical questions, contact: optocoupleranswers@vishay.com

Document Number: 83650

4

Rev. 1.8, 24-May-11

This document is subject to change without notice.

THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

ILQ32

Vishay Semiconductors

Optocoupler, Photodarlington Output,

High Gain (Quad Channel)

Fig. 3 - Normalized Non-Saturated and Saturated Collector Emitter

Current vs. LED Current

Fig. 4 - Low to High Propagation Delay vs.

Collector Load Resistance and LED Current

Fig. 5 - High to low Propagation Delay vs.

Collector Load Resistance and LED Current

Fig. 6 - Switching Timing

Fig. 7 - Switching Schematic

iild32_03

100

1

0.1

0.001

0.01

0.1

1

10

Vce = 1 V

Vce = 10 V

I

F - LED Current (mA)

Ta = 25 °C

IF = 10 mA

Vce = 10 V

Normalized to:

7

iild32_04

0

5

10

15

20

0

20

40

60

80

T

A = 25 °C, V

= 10 V

CC

V

th = 1.5 V

220

Ω

470

Ω

I

F - LED Current (mA)

100

Ω

1k

Ω

iild32_05

0

5

10

15

20

0

5

10

15

20

100

Ω

1k

Ω

I

F - LED Current (mA)

T

A

=25 °C

V

CC=10 V

V

th =1.5 V

iild32_06

IF

tR

VO

tD

tS

tF

tPH L

tPLH

V

= 1.5 V

TH

iild32_07

V

O

R

L

V

CC = 10 V

I

F = 5 mA

f = 10 kHz

DF = 50 %