MCA2230X, MCA2231X, MCA2255X
MCA2230, MCA2231, MCA2255
OPTICALLY COUPLED ISOLATOR
PHOTODARLINGTON OUTPUT
APPROVALS
UL recognised, File No. E91231
'X' SPECIFICATION APPROVALS
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MCA2231X -
VDE 0884 in 2 available lead form : -
- STD
- G form
VDE 0884 in SMD approval pending
MCA2230X, MCA2255X -
VDE 0884 approval pending
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EN 60950 approval pending
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2.54
6.4
6.2
1.54
8.8
8.4
1
2
3
Dimensions in mm
6
5
4
4.3
4.1
0.5
0.3
7.8
7.4
DESCRIPTION
The MCA2230, MCA2231, MCA2255 series
of optically coupled isolators consist of an
infrared light emitting diode and NPN silicon
photodarlington in a space efficient dual in line
plastic package.
FEATURES
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Options :-
10mm lead spread - add G after part no.
Surface mount - add SM after part no.
Tape&reel - add SMT&R after part no.
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High Current Transfer Ratio
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High Isolation Voltage (5.3kV
RMS
,7.5kV
PK
)
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All electrical parameters 100% tested
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Custom electrical selections available
APPLICATIONS
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Computer terminals
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Industrial systems controllers
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Measuring instruments
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Signal transmission between systems of
different potentials and impedances
OPTION SM
SURFACE MOUNT
OPTION G
0.5
3.3
9.6
8.4
ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)
Storage Temperature
-55°C to + 150°C
-55°C to + 100°C
Operating Temperature
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260°C
INPUT DIODE
Forward Current
Reverse Voltage
Power Dissipation
OUTPUT TRANSISTOR
Collector-emitter Voltage BV
CEO
MCA2255
MCA2230, MCA2231
Collector-base Voltage BV
CBO
MCA2255
MCA2230, MCA2231
Emitter-base Voltage BV
EBO
Power Dissipation
POWER DISSIPATION
55V
30V
55V
30V
6V
150mW
80mA
6V
105mW
5.08
max.
1.2
0.6
1.4
0.9
0.26
10.16
10.2
9.5
Total Power Dissipation
250mW
(derate linearly 3.3mW/°C above 25°C)
ISOCOM COMPONENTS LTD
Unit 25B, Park View Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, Cleveland, TS25 1YD
Tel: (01429) 863609 Fax :(01429) 863581
7/12/00
DB92134-AAS/A2
ELECTRICAL CHARACTERISTICS ( T
A
= 25°C Unless otherwise noted )
PARAMETER
Input
Forward Voltage (V
F
)
Reverse Voltage (V
R
)
Reverse Current (I
R
)
Collector-emitter Breakdown (BV
CEO
)
MCA2230, MCA2231
MCA2255
Collector-base Breakdown (BV
CBO
)
MCA2230, MCA2231
MCA2255
Emitter-base Breakdown (BV
EBO
)
Collector-emitter Dark Current (I
CEO
)
MIN TYP MAX UNITS
1.2
3
10
1.5
V
V
µ
A
V
V
V
V
V
nA
TEST CONDITION
I
F
= 20mA
I
R
= 10
µ
A
V
R
= 3V
I
C
= 100
µ
A (note 2)
I
C
= 100
µ
A (note 2)
I
C
= 10
µ
A (note 2)
I
C
= 10
µ
A (note 2)
I
E
= 10
µ
A
V
CE
= 10V
10mA I
F
, 5V V
CE
10mA I
F
, 5V V
CE
1mA I
F
, 1V V
CE
50mA I
F
, 50mA I
C
1mA I
F
, 2mA I
C
5mA I
F
, 10mA I
C
10mA I
F
, 50mA I
C
(note 1)
(note 1)
V
IO
= 500V (note 1)
V
CC
= 10V, R
L
= 100
Ω,
I
F
= 10mA (Fig.1)
Output
30
55
30
55
5
100
Coupled
Collector Output Current ( I
C
) (Note 2
)
MCA2230
100
MCA2231, MCA2255
500
200
Collector-emitter Saturation VoltageV
CE(SAT)
MCA2230, MCA2255
MCA2231
%
%
%
1.0
1.0
1.0
1.2
V
V
V
V
V
RMS
V
PK
Ω
µ
s
µ
s
Input to Output Isolation Voltage V
ISO
Input-output Isolation Resistance R
ISO
Output Turn on Time
ton
Output Turn off Time
toff
Note 1
Note 2
5300
7500
5x10
10
10
100
Measured with input leads shorted together and output leads shorted together.
Special Selections are available on request. Please consult the factory.
FIGURE 1
V
CC
= 10V
Input
I
F
= 10mA
100
Ω
t
on
t
r
Input
Output
Output
10%
90%
10%
90%
t
off
t
f
7/12/00
DB92134-AAS/A2
Collector Power Dissipation vs. Ambient Temperature
200
Collector power dissipation P
C
(mW)
Current transfer ratio CTR (%)
10000
4000
1000
400
100
40
10
Current Transfer Ratio vs.
Forward Current
150
100
50
V
CE
= 5V
T
A
= 25°C
0
-30
0
25
50
75
100
125
Ambient temperature T
A
( °C )
Forward Current vs. Ambient Temperature
100
0
0.1 0.2 0.5
1
2
5
10 20 50 100
Forward current I
F
(mA)
Collector Current vs. Collector-emitter Voltage
100
50mA
20
Collector current I
C
(mA)
80
60
40
2mA
20
0
-30
0
25
50
75
100
125
0
1
2
3
4
5
Ambient temperature T
A
( °C )
Collector-emitter Saturation
Voltage vs. Ambient Temperature
Collector-emitter voltage V
CE
( V )
Relative Current Transfer Ratio
vs. Ambient Temperature
1.5
Relative current transfer ratio
I
F
= 1mA
10mA
5mA
T
A
= 25°C
80
Forward current I
F
(mA)
CE(SAT)
60
40
20
0
(V)
1.2
1.0
0.8
0.6
0.4
0.2
0
-30
Collector-emitter saturation voltage V
I
F
= 50mA
I
C
= 50mA
I
F
= 10mA
V
CE
= 5V
1.0
0.5
0
0
25
50
75
100
-30
Ambient temperature T
A
( °C )
0
25
50
75
Ambient temperature T
A
( °C )
100
7/12/00
DB92134-AAS/A2
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