IL205AT/206AT/207AT/208AT
Vishay Semiconductors
Optocoupler, Phototransistor Output,
with Base Connection in SOIC-8 Package
FEATURES
• High BV
CEO
, 70 V
• Isolation test voltage, 4000 V
RMS
A
1
K
2
NC
3
NC
4
i179002
8
7
6
5
NC
B
C
E
• Industry
standard
mountable package
SOIC-8A
surface
• Compatible with dual wave, vapor phase and
IR reflow soldering
• Lead (Pb)-free component
• Component in accordance to RoHS 2002/95/EC and
WEEE 2002/96/EC
AGENCY APPROVALS
DESCRIPTION
The IL205AT/IL206AT/IL207AT/IL208AT are optically
coupled pairs with a gallium arsenide infrared LED and a
silicon NPN phototransistor. Signal information, including a
DC level, can be transmitted by the device while maintaining
a high degree of electrical isolation between input and
output. This family comes in a standard SOIC-8A small
outline package for surface mounting which makes them
ideally suited for high density application with limited space.
In addition to eliminating through-hole requirements, this
package conforms to standards for surface mounted
devices.
A specified minimum and maximum CTR allows a narrow
tolerance in the electrical design of the adjacent circuits. The
high BV
CEO
of 70 V gives a higher safety margin compared
to the industry standard 30 V.
• UL1577, file no. E52744 system code Y
• CUL - file no. E52744, equivalent to CSA bulletin 5A
• DIN EN 60747-5-5 available with option 1
ORDER INFORMATION
PART
IL205AT
IL206AT
IL207AT
IL208AT
REMARKS
CTR 40 to 80 %, SOIC-8
CTR 63 to 125 %, SOIC-8
CTR 100 to 200 %, SOIC-8
CTR 160 to 320 %, SOIC-8
Document Number: 83614
Rev. 1.9, 08-May-08
For technical questions, contact: optocoupler.answers@vishay.com
www.vishay.com
313
IL205AT/206AT/207AT/208AT
Vishay Semiconductors
Optocoupler, Phototransistor Output,
with Base Connection in SOIC-8 Package
ABSOLUTE MAXIMUM RATINGS
PARAMETER
INPUT
Peak reverse voltage
Forward continuous current
Power dissipation
Derate linearly from 25 °C
OUTPUT
Collector emitter breakdown voltage
Emitter collector breakdown voltage
Collector-base breakdown voltage
I
CMAX DC
I
CMAX
Power dissipation
Derate linearly from 25 °C
COUPLER
Isolation test voltage
Total package dissipation (LED and detector)
Derate linearly from 25 °C
Operating temperature
Storage temperature
Soldering time
at 260 °C
T
amb
T
stg
V
ISO
P
tot
4000
240
3.3
- 55 to + 100
- 55 to + 150
10
V
RMS
mW
mW/°C
°C
°C
s
t < 1 ms
BV
CEO
BV
ECO
BV
CBO
I
CMAX DC
I
CMAX
P
diss
70
7
70
50
100
150
2
V
V
V
mA
mA
mW
mW/°C
V
R
I
F
P
diss
6
60
90
1.2
V
mA
mW
mW/°C
TEST CONDITION
SYMBOL
VALUE
UNIT
Note
T
amb
= 25 °C, unless otherwise specified.
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 CHARACTERISTCS
PARAMETER
INPUT
Forward voltage
Reverse current
Capacitance
OUTPUT
Collector emitter breakdown voltage
Emitter collector breakdown voltage
Collector emitter leakage current
COUPLER
Saturation voltage, collector emitter
Capacitance, input to output
Resistance, input to output
I
C
= 2 mA, I
F
= 10 mA
V
CEsat
C
IO
R
IO
0.5
100
0.4
V
pF
GΩ
I
C
= 100 µA
I
E
= 100 µA
V
CE
= 10 V
BV
CEO
BV
ECO
I
CEO
70
7
10
5
50
V
V
nA
I
F
= 10 mA
V
R
= 6 V
V
R
= 0 V
V
F
I
R
C
O
1.3
0.1
13
1.5
100
V
µA
pF
TEST CONDITION
PART
SYMBOL
MIN.
TYP.
MAX.
UNIT
Note
T
amb
= 25 °C, unless otherwise specified.
Minimum and maximum values were tested requierements. Typical values are characteristics of the device and are the result of engineering
evaluations. Typical values are for information only and are not part of the testing requirements.
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314
For technical questions, contact: optocoupler.answers@vishay.com
Document Number: 83614
Rev. 1.9, 08-May-08
IL205AT/206AT/207AT/208AT
Optocoupler, Phototransistor Output,
Vishay Semiconductors
with Base Connection in SOIC-8 Package
CURRENT TRANSFER RATIO
PARAMETER
TEST CONDITION
PART
IL205AT
I
F
= 10 mA, V
CE
= 5 V
Current transfer ratio
I
F
= 1 mA, V
CE
= 5 V
IL206AT
IL207AT
IL208AT
IL205AT
IL206AT
IL207AT
IL208AT
SYMBOL
CTR
CTR
CTR
CTR
CTR
CTR
CTR
CTR
MIN.
40
63
100
100
13
22
34
56
25
40
60
95
TYP.
MAX.
80
125
200
320
UNIT
%
%
%
%
%
%
%
%
SWITCHING CHARACTERISTICS
PARAMETER
Switching time
TEST CONDITION
I
C
= 2 mA, R
L
= 100
Ω,
V
CC
= 10 V
PART
SYMBOL
t
on
, t
off
MIN.
TYP.
3
MAX.
UNIT
µs
SAFETY AND INSULATION RATINGS
PARAMETER
Climatic classification
(according to IEC 68 part 1)
Comparative tracking index
V
IOTM
V
IORM
P
SO
I
SI
T
SI
Creepage
Clearance
Insulation thickness, reinforced rated
per IEC 60950 2.10.5.1
4
4
0.2
CTI
175
6000
560
350
150
165
TEST CONDITION
SYMBOL
MIN.
TYP.
55/100/21
399
V
V
mW
mA
°C
mm
mm
mm
MAX.
UNIT
Note
As per IEC 60747-5-2, §7.4.3.8.1, 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.
Document Number: 83614
Rev. 1.9, 08-May-08
For technical questions, contact: optocoupler.answers@vishay.com
www.vishay.com
315
IL205AT/206AT/207AT/208AT
Vishay Semiconductors
Optocoupler, Phototransistor Output,
with Base Connection in SOIC-8 Package
TYPICAL CHARACTERISTICS
T
amb
= 25 °C, unless otherwise specified
1.4
100
1.2
1.1
1.0
T
A
= - 55 °C
NI
CB
-
Normalized
(I
CB
)
V
F
- Forward
Voltage
(V)
1.3
Normalized
to:
V
CB
= 9.3
V
I
F
= 1 mA
10
T
A
= 25 °C
0.9 T
A
=
85
°C
0.8
0.7
0.1
1
10
100
1
0.1
0.1
i205at_04
1
10
100
i205at_01
I
F
- Forward Current (mA)
I
F
- LED Current (mA)
Fig. 1 - Forward Voltage vs. Forward Current
Fig. 4 - Normalized Collector-Base Photocurrent vs. LED Current
1.5
NCTR
CE
-
Normalized
CTR
CE
Normalized
to:
I
F
= 10 mA
10
1.0
V
CE
= 5
V
NI
CB
-
Normalized
(I
CB
)
V
CE
= 10
V
Normalized
to:
V
CB
= 9.3
V
I
F
= 10 mA
1
0.5
0.1
V
CE
= 0.4
V
0
0.1
1
10
100
0.01
0.1
i205at_05
1
10
100
i205at_02
I
F
- LED Current (mA)
I
F
- LED Current (mA)
Fig. 2 - Normalized Non-Saturated and Saturated CTR
CE
vs.
LED Current
Fig. 5 - Normalized Collector-Base Photocurrent vs. LED Current
I
CE
- Collector Emitter Current (mA)
I
CB
- Collector Base Current (µA)
150
1000
V
CB
= 9.3
V
100
100
V
CE
= 10
V
10
50
V
CE
= 0.4
V
0
0.1
1
10
100
1
0.1
0.1
1
10
100
i205at_03
I
F
- LED Current (mA)
i205at_06
I
F
- LED Current (mA)
Fig. 3 - Collector Emitter Current vs. LED Current
Fig. 6 - Collector Emitter Photocurrent vs. LED Current
www.vishay.com
316
For technical questions, contact: optocoupler.answers@vishay.com
Document Number: 83614
Rev. 1.9, 08-May-08
IL205AT/206AT/207AT/208AT
Optocoupler, Phototransistor Output,
Vishay Semiconductors
with Base Connection in SOIC-8 Package
I
CB
- Collector Base Current (µA)
1000
2.0
25 °C
50 °C
25 °C
100
Nh
FE(sat)
Normalized
Saturated h
FE
V
CB
= 9.3
V
1.5
Normalized
to:
I
B
= 20
µA
V
CE
= 10
V
10
1.0
V
CE
= 0.4
V
1
0.5
0.1
0.1
1
10
100
0.0
0.1
i205at_08
10
100
1000
i205at_06
I
F
- LED Current (mA)
I
B
- Base Current (µA)
Fig. 7 - Collector Emitter Photocurrent vs. LED Current
Fig. 9 - Typical Switching Characteristics vs.
Base Resistance (Saturated Operation)
10
5
I
CEO
- Collector Emitter (nA)
10
4
10
3
10
2
10
1
10
0
10
-1
10
-2
- 20
V
CE
= 10
V
Typical
0
20
40
60
80
100
i205at_07
T
A
- Ambient Temperature (°C)
Fig. 8 - Base Current vs. I
F
and h
FE
Input
V
CC
= 5
V
Input
t
pdon
R
L
Output
V
OUT
10
%
50
%
90
%
t
on
t
pdoff
t
d
t
r
t
s
t
off
t
r
10
%
50
%
90
%
i205at_11
Fig. 10 Switching Test Circuit
Document Number: 83614
Rev. 1.9, 08-May-08
For technical questions, contact: optocoupler.answers@vishay.com
www.vishay.com
317
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