ISOCOM MCT270 Optically coupled isolator phototransistor output Datasheet

MCT270, MCT271, MCT272, MCT273,
MCT274, MCT275, MCT276, MCT277
OPTICALLY COUPLED
ISOLATOR
PHOTOTRANSISTOR OUTPUT
APPROVALS
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UL recognised, File No. E91231
Dimensions in mm
2.54
7.0
6.0
DESCRIPTION
The MCT27_ series of optically coupled
isolators consist of an infrared light emitting
diode and NPN silicon photo transistor in a
standard 6 pin 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 Isolation Voltage (5.3kVRMS ,7.5kVPK )
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All electrical parameters 100% tested
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Custom electrical selections available
APPLICATIONS
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DC motor controllers
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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
OPTION G
SURFACE MOUNT
7.62
1
2
6
5
3
4
1.2
7.62
6.62
7.62
4.0
3.0
13°
Max
0.5
3.0
0.5
3.35
0.26
ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)
Storage Temperature
-55°C to + 150°C
Operating Temperature
-55°C to + 100°C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260°C
INPUT DIODE
Forward Current
Reverse Voltage
Power Dissipation
60mA
6V
105mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BVCEO
(MCT275 only)
BVCEO
Collector-base Voltage BVCBO
Emitter-base Voltage
BVEBO
Power Dissipation
30V
80V
70V
5V
160mW
POWER DISSIPATION
0.6
0.1
10.46
9.86
1.25
0.75
0.26
Total Power Dissipation
200mW
(derate linearly 2.67mW/°C above 25°C)
10.16
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
DB92544m-AAS/A1
ELECTRICAL CHARACTERISTICS ( TA= 25°C Unless otherwise noted )
Input
Output
PARAMETER
MIN TYP MAX UNITS
Forward Voltage (VF)
Reverse Voltage (VR)
Reverse Current (IR)
3
1.2
10
Collector-emitter Breakdown (BVCEO)
MCT27x (except MCT275)
MCT275
( note 2 )
Collector-base Breakdown (BVCBO)
Emitter-base Breakdown (BVEBO)
Collector-emitter Dark Current (ICEO)
Coupled
Current Transfer Ratio (CTR)
MCT270
MCT271
MCT272
MCT273
MCT274
MCT275
MCT276
MCT277
Collector-emitter Saturation VoltageVCE(SAT)
IF = 20mA
IR = 10µA
VR = 3V
IC = 1mA
30
V
V
70
V
IC = 100µA
5
V
nA
IE = 100µA
VCE = 10V
%
%
%
%
%
%
%
%
V
10mA IF , 10V VCE
16mA IF , 2mA IC
VRMS
VPK
Ω
See note 1
See note 1
VIO = 500V (note 1)
µs
µs
µs
µs
µs
µs
VCC = 5V , RL = 100Ω,
IC= 2mA, (fig 1)
50
45
75
125
225
70
15
100
90
150
250
400
210
60
0.4
5300
7500
5x1010
Input-output Isolation Resistance RISO
Switching Time tON , tOFF
MCT270,272
MCT271
MCT273
MCT274
MCT275,277
MCT276
V
V
µA
80
50
Input to Output Isolation Voltage VISO
Note 1
Note 2
1.5
TEST CONDITION
10
7
20
25
15
3.5
Measured with input leads shorted together and output leads shorted together.
Special Selections are available on request. Please consult the factory.
VCC
Input
ton
toff
RL = 100Ω
tr
Output
tf
Output
10%
10%
90%
90%
FIG 1
7/12/00
DB92544m-AAS/A2
Relative Current Transfer Ratio
vs. Ambient Temperature
Collector Power Dissipation vs. Ambient Temperature
Collector power dissipation P C (mW)
200
Relative current transfer ratio
1.5
150
100
50
IF = 10mA
VCE = 10V
1.0
0.5
0
0
-30
0
25
50
75
100
125
-30
0
25
50
75
Ambient temperature TA ( °C )
Ambient temperature TA ( °C )
Forward Current vs. Ambient Temperature
Relative Current Transfer Ratio
vs. Forward Current
100
80
1.4
Relative current transfer ratio
Forward current I F (mA)
70
60
50
40
30
20
10
1.2
1.0
0.8
0.6
0.4
VCE = 10V
TA = 25°C
0.2
0
-30
0
25
50
75
100
1
125
TA = 25°C
50
30
20
30
15
20
10
10
IF = 5mA
0
0
2
4
6
8
Collector-emitter voltage VCE ( V )
7/12/00
10
10
20
50
Collector-emitter Saturation
Voltage vs. Ambient Temperature
(V)
Collector-emitter saturation voltage V
Collector current I C (mA)
CE(SAT)
Collector Current vs. Collector-emitter Voltage
(Normalised to MCT270,273,275,277)
40
5
Forward current IF (mA)
Ambient temperature TA ( °C )
50
2
0.28
0.24
IF = 16mA
IC = 2mA
0.20
0.16
0.12
0.08
0.04
0
-30
0
25
50
75
Ambient temperature TA ( °C )
100
DB92544m-AAS/A2
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