Datasheet

Document Number: 83640 For technical questions, contact: [e-mail]
www.vishay.com
Rev. 1.6, 09-Jan-08 3
IL74/ILD74/ILQ74
Optocoupler, Phototransistor Output
(Single, Dual, Quad Channel)
Vishay Semiconductors
TYPICAL CHARACTERISTICS
T
amb
= 25 °C, unless otherwise specified
Fig. 1 - Forward Voltage vs. Forward Current
Fig. 2 - Normalized Non-Saturated and Saturated CTR
vs.
LED Current
Fig. 3 - Normalized Non-Saturated and Saturated CTR vs.
LED Current
Fig. 4 - Normalized Non-Saturated and Saturated CTR vs.
LED Current
CURRENT TRANSFER RATIO
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
DC current transfer ratio I
F
= 16 mA, V
CE
= 5.0 V CTR
DC
12.5 35 %
SWITCHING CHARACTERISTICS
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Switching times R
L
= 100 Ω, V
CE
= 10 V, I
C
= 2.0 mA t
on
, t
off
3.0 µs
iil74_01
I
F
- Forward Current (mA)
1001010.1
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
V
F
- Forward Voltage (V)
T
amb
= - 55 °C
T
amb
= 25 °C
T
amb
= 85 °C
iil74_02
1001010.1
0.0
0.5
1.0
1.5
NCTR(SAT)
NCTR
I
F
- LED Current (mA)
NCTR - Normalized (CTR)
Normalized to:
V
CE
= 10 V,I
F
= 10 mA
T
A
= 25 °C
CTRce(sat) V
CE
= 0.4 V
iil74_03
1001010.1
0.0
0.5
1.0
1.5
NCTR(SAT)
NCTR
I
F
- LED Current (mA)
NCTR - Normalized (CTR)
Normalized to:
V
CE
= 10 V,I
F
= 10 mA,T
A
= 25 °C
T
A
= 50 °C
CTRce(sat) V
CE
= 0.4 V
iil74_04
1001010.1
0.0
0.5
1.0
1.5
I
F
- LED Current (mA)
NCTR(SAT)
NCTR
Normalized to:
V
CE
= 10 V,I
F
= 10 mA
T
A
= 25 °C
CTRce(sat) V
CE
= 0.4 V
T
A
= 70 °C
NCTR - Normalized (CTR)