IL755, ILD755
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Vishay Semiconductors
Optocoupler, Photodarlington Output, AC Input,
High Gain (Single, Dual Channel)
ILD755 has two isolated channels in a single DIP package.
A/C 1
6 B
C/A 2
5 C
NC 3
4 E
A 1
8 E
C 2
7 C
C 3
6 C
APPLICATIONS
A 4
5 E
• Designed for applications
monitoring of AC signals
FEATURES
• AC or polarity insensitive inputs
• Built-in reverse polarity input protection
• Industry standard DIP package
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
requiring
detection
or
AGENCY APPROVALS
i179037-1
• UL / cUL 1577
LINKS TO ADDITIONAL RESOURCES
• DIN EN 60747-5-5 (VDE 0884-5) for:
- IL755
- ILD755
Related
Documents
• CSA
DESCRIPTION
• CQC GB8898 / CQC GB4943.1
The IL755, ILD755 are bidirectional input optically coupled
isolators. They consist of two gallium arsenide infrared
emitting diodes coupled to a silicon NPN photodarlington
per channel.
• BSI
The IL755 is single channel Darlington optocoupler. The
ORDERING INFORMATION
I
L
x
7
5
5
-
PART NUMBER
#
CTR
BIN
X
0
#
PACKAGE OPTION
#
T
TAPE
AND
REEL
Option 7
DIP-#
7.62 mm
> 0.7 mm
CTR (%)
AGENCY CERTIFIED /
PACKAGE
UL, cUL, CSA, CQC
DIP-#
SMD-#, option 7
VDE, UL, cUL, CSA, CQC
DIP-#
SMD-#, option 7
SINGLE CHANNEL, 6 PIN
DUAL CHANNEL, 8 PIN
± 2 mA
± 1 mA
± 2 mA
≥ 750
≥ 1000
≥ 750
± 1 mA
≥ 1000
IL755-1
IL755-2
ILD755-1
ILD755-2
IL755-1X007
IL755-2X007T
-
ILD755-2X007T
≥ 750
≥ 1000
≥ 750
≥ 1000
IL755-1X001
-
-
-
-
-
ILD755-1X017
-
Note
• Additional options may be possible, please contact sales office
Rev. 1.7, 10-Mar-2021
Document Number: 83641
1
For technical questions, contact: optocoupleranswers@vishay.com
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
IL755, ILD755
www.vishay.com
Vishay Semiconductors
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
PART
SYMBOL
VALUE
UNIT
INPUT
Forward continuous current
Power dissipation
IF
60
mA
Pdiss
100
mW
1.33
mW/°C
Derate linearly from 25°C
OUTPUT
Collector emitter breakdown
voltage
BVCEO
60
V
Collector base breakdown
voltage
BVCBO
60
V
IL755-1
200
mW
IL755-2
200
mW
150
mW
Power dissipation
ILD755-1
Derate linearly from 25°C
Pdiss
ILD755-2
150
mW
IL755-1
2.6
mW/°C
IL755-2
2.6
mW/°C
ILD755-1
2.0
mW/°C
ILD755-2
2.0
mW/°C
IL755-1
250
mW
IL755-2
250
mW
400
mW
COUPLER
Total power dissipation
ILD755-1
Derate linearly from 25 °C
Ptot
ILD755-2
400
mW
IL755-1
3.0
mW/°C
IL755-2
3.0
mW/°C
ILD755-1
3.0
mW/°C
3.0
mW/°C
Storage temperature
ILD755-2
Tstg
-55 to +150
°C
Operating temperature
Tamb
-55 to +100
°C
10
s
Lead soldering time at 260 °C
Note
• Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is not
implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute
maximum ratings for extended periods of the time can adversely affect reliability
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
IF = ± 10 mA
VF
MIN.
TYP.
MAX.
UNIT
1.2
1.5
V
INPUT
Forward voltage
OUTPUT
Collector emitter breakdown voltage
IC = 1.0 mA
BVCEO
60
75
Collector base breakdown voltage
IC = 10 μA
BVCBO
60
90
VCE = 10 V, IF = 0 A
ICEO
IC = 10 mA, IF = ± 10 mA
VCEsat
Collector emitter leakage current
10
V
V
100
nA
1
V
COUPLER
Collector emitter saturation voltage
Note
• Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of engineering
evaluation. Typical values are for information only and are not part of the testing requirements
Rev. 1.7, 10-Mar-2021
Document Number: 83641
2
For technical questions, contact: optocoupleranswers@vishay.com
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
IL755, ILD755
www.vishay.com
Vishay Semiconductors
CURRENT TRANSFER RATIO (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Current transfer ratio
TEST CONDITION
PART
SYMBOL
MIN.
TYP.
MAX.
UNIT
IF = ± 2 mA, VCE = 5.0 V
IL755-1
CTR
750
-
-
%
IF = ± 2 mA, VCE = 5.0 V
ILD755-1
CTR
750
-
-
%
IF = ± 1 mA, VCE = 5.0 V
IL755-2
CTR
1000
-
-
%
IF = ± 1 mA, VCE = 5.0 V
ILD755-2
CTR
1000
-
-
%
SWITCHING CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Rise time
TEST CONDITION
VCC = 10 V, IF = ± 2 mA, RL = 100 Ω
Fall time
VCC = 10 V, IF = ± 2 mA, RL = 100 Ω
Rise time
VCC = 10 V, IF = ± 1 mA, RL = 100 Ω
Fall time
VCC = 10 V, IF = ± 1 mA, RL = 100 Ω
PART
SYMBOL
MIN.
TYP.
MAX.
UNIT
IL755-1
tr
-
50
-
μs
ILD755-1
tr
-
50
-
μs
IL755-1
tf
-
50
-
μs
ILD755-1
tf
-
50
-
μs
IL755-2
tr
-
70
-
μs
ILD755-2
tr
-
70
-
μs
IL755-2
tf
-
70
-
μs
ILD755-2
tf
-
70
-
μs
SAFETY AND INSULATION RATINGS
PARAMETER
Climatic classification
TEST CONDITION
Comparative tracking index
Maximum rated withstanding isolation voltage
SYMBOL
According to IEC 68 part 1
CTI
UNIT
175
VISO
4420
VRMS
Maximum transient isolation voltage
VIOTM
10 000
Vpeak
Maximum repetitive peak isolation voltage
VIORM
890
Vpeak
VIO = 500 V, Tamb = 25 °C
RIO
≥ 1012
Ω
VIO = 500 V, Tamb = 100 °C
RIO
≥ 1011
Ω
PSO
400
mW
Input safety current
ISI
275
mA
Safety temperature
TS
175
°C
Isolation resistance
Output safety power
t = 1 min
VALUE
55 / 100 / 21
Creepage distance
≥7
mm
Clearance distance
≥7
mm
≥ 0.4
mm
Insulation thickness
DTI
Note
• As per IEC 60747-5-5, § 7.4.3.8.2, this optocoupler is suitable for “safe electrical insulation” only within the safety ratings. Compliance with
the safety ratings shall be ensured by means of protective circuits
Rev. 1.7, 10-Mar-2021
Document Number: 83641
3
For technical questions, contact: optocoupleranswers@vishay.com
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
IL755, ILD755
www.vishay.com
Vishay Semiconductors
60
40
NIce - Normalized (Ice)
I F - LED Forward Current (mA)
TYPICAL CHARACTERSITICS (Tamb = 25 °C, unless otherwise specified)
85 °C
20
25 °C
0
- 55 °C
- 20
- 40
- 60
- 1.5 - 1.0
- 0.5
0.0
0.5
1.0
10
Normalized to:
Vce = 5 V
IF = 1 mA
2.5
2.0
Vce = 5 V
1.5
1.0
0.5
100
10
1
Fig. 4 - Normalized Non-Saturated and Saturated ICE vs.
LED Current
NIce - Normalized Ice
NCTRce - Normalized (CTRce)
0.1
IF - LED Current (mA)
4.0
3.0
1
iil755_04
Fig. 1 - LED Forward Current vs. Forward Voltage
3.5
Vce = 5 V
Vce = 1 V
0.01
0.1
1.5
VF - LED Forward Voltage (V)
iil755b_01
100 Normalized to:
Vce = 5 V
IF = 2 mA
10
Vce = 1 V
1
Normalized to:
IF = 10 mA
Vce = 5 V
Vce = 5 V
Vce = 1 V
0.1
0.01
0.001
0.0
0.1
1
10
100
0.1
IF - LED Current (mA)
iil755_02
100
10
1
IF - LED Current (mA)
iil755_05
Fig. 2 - Normalized Non-Saturated and Saturated CTRCE vs.
LED Current
10 000
Normalized to:
2.5
Vce = 5 V
IF = 2 mA
2.0
1.5
Vce = 5 V
1.0
0.5
Vce = 1 V
hFE - Forward Transfer Gain
NCTRce - Normalized CTRce
3.0
Fig. 5 - Normalized Non-Saturated and Saturated Collector-Emitter
Current vs. LED Current
Vce = 5 V
8000
6000
4000
Vce = 1 V
2000
0.0
0
0.1
1
10
IF - LED Current (mA)
iil755_03
Fig. 3 - Normalized Non-Saturated and Saturated CTRCE vs.
LED Current
Rev. 1.7, 10-Mar-2021
0.01
100
iil755_06
0.1
1
10
100
Ib - Base Current (µA)
Fig. 6 - Non-Saturated and Saturated hFE vs. Base Current
Document Number: 83641
4
For technical questions, contact: optocoupleranswers@vishay.com
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
IL755, ILD755
tpLH - Low/High Propagation
Delay (µs)
www.vishay.com
Vishay Semiconductors
80
IF
Vcc = 5 V
Vth = 1.5 V
1.0 kΩ
60
220 Ω
40
VO
tD
tR
470 Ω
t PLH
20
VTH = 1.5 V
100 Ω
0
0
10
5
15
IF - LED Current (mA)
iil755_07
t PHL
20
tF
tS
iil755_09
Fig. 9 - Switching Waveform
Fig. 7 - Low to High Propagation Delay vs.
Collector Load Resistance and LED Current
tpHL - High/Low Propagation
Delay (µs)
20
VCC = 10 V
1 kΩ
Vcc = 5 V
Vth = 1.5 V
15
f = 10 kHz,
DF = 50 %
10
RL
VO
100 Ω
5
0
IF = 1 mA
0
iil755_08
5
10
15
20
IF - LED Current (mA)
Fig. 8 - High to Low Propagation Delay vs.
Collector Load Resistance and LED Current
Rev. 1.7, 10-Mar-2021
iil755_10
Fig. 10 - Test Circuit, Saturated and Non-Saturated Operation
Document Number: 83641
5
For technical questions, contact: optocoupleranswers@vishay.com
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
IL755, ILD755
www.vishay.com
Vishay Semiconductors
PACKAGE DIMENSIONS in millimeters
3
2
1
4
5
6
Pin one ID
6.4 ± 0.1
ISO method A
8.6 ± 0.1
7.62 typ.
1.2 ± 0.1
1 min.
3.555 ± 0.255
18°
4° typ.
2.95 ± 0.5
0.8 min.
0.85 ± 0.05
0.25 typ.
3° to 9°
0.5 ± 0.05
7.62 to 8.81
i178004
2.54 typ.
Option 7
7.62 typ.
Pin one ID
4
3
2
6.5
6.3
1
4.6
4.1
0.7 min.
6.645 ± 0.165
ISO method A
5
6
7
8.0 min.
8
8.4 min.
9.77 ± 0.14
10.3 max.
18447
0.95 ± 0.19
7.62 typ.
0.79
4° typ.
3.555 ± 0.255
6.095 ± 0.255
1.27
10°
0.70 ± 0.19
0.51 ± 0.05
3.045 ± 0.255
3° to 9°
2.54 typ.
0.25 ± 0.05
i178006
PACKAGE MARKING (example)
IL755
V YWW H 68
Notes
• The VDE logo is only marked on option 1 parts
• Tape and reel suffix (T) is not part of the package marking
Rev. 1.7, 10-Mar-2021
Document Number: 83641
6
For technical questions, contact: optocoupleranswers@vishay.com
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
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
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Statements regarding the suitability of products for certain types of applications are based on Vishay's knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product
with the properties described in the product specification is suitable for use in a particular application. Parameters provided in
datasheets and / or specifications may vary in different applications and performance may vary over time. All operating
parameters, including typical parameters, must be validated for each customer application by the customer's technical experts.
Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited
to the warranty expressed therein.
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Revision: 01-Jan-2022
1
Document Number: 91000