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MCT4

P1-P3P4-P6
www.fairchildsemi.com 4 OF 6 813/01 DS300241
Figure 1. Detector Output Characteristics
I
C
, COLLECTOR CURRENT DETECTOR (mA)
5
10
15
20
25
20
5
V
CE
, COLLECTOR VOLTAGE DETECTOR (V)
10 15 20 25 30
I
F
= 60 mA
I
F
= 40 mA
I
F
= 20 mA
I
F
= 10 mA
Figure 2. Input Current vs. Output Current
I
C
, COLLECTOR CURRENT DETECTOR (mA)
5
0
10
15
20
25
20
100
I
F
, INPUT CURRENT LED (mA)
20 30 40 50 60
V
CE
= 10 VOLTS
Figure 3. Dark Current vs. Temperature
I
CEO,
DARK CURRENT (A)
10
-4
10
-5
10
-6
10
-7
10
-8
10
-9
10
-10
10
-11
10
-12
-40-60
T
A
, AMBIENT TEMPERATURE (
°C)
-20 0 20 40 60 80 100 120 140
V
CE
= 10 VOLTS
Figure 4. Current Output vs. Temperature
CTR
,
NORMALIZED (%)
110
100
90
80
70
60
50
40
30
-40-60
T
A
, AMBIENT TEMPERATURE (
°C)
-20 0 20 40 60 80 100
0.20.1
I
C
, COLLECTOR CURRENT (mA
)
0.3 0.4 0.6 0.8 1 2 3 4 5 6 7 8 10
LED CURRENT - 10 mA
V
CE
= 10 VOLTS
FREE STANDING DEVICE
Figure 5. Output vs. Frequency
Figure 6. Switching Time vs. Collector Current
COLLECTOR CURRENT (mA)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
SWITCHING TIME (µs)
12
10
8
6
4
2
1K 110K 100K
FREQUENCY (Hz)
V
CE
= 10 VOLTS
R
L
= 100 Ω
R
L
= 470 Ω
R
L
= 1000 Ω
V
CE
= 10 VOLTS
R
L
= 1000 Ω
R
L
= 470 Ω
R
L
= 100 Ω
PHOTOTRANSISTOR OPTOCOUPLER
MCT4
PHOTOTRANSISTOR OPTOCOUPLER
MCT4
DS300241 8/13/01 5 OF 6 www.fairchildsemi.com
Figure 7. Modulation Circuit Used to Obtain Output vs.
Frequency Plot
LED
MODULATION
INPUT
DETECTOR
OUTPUT
V
CC
= 10 VOLTS
R
L
= 100 Ω
CONSTANT
CURRENT
INPUT
47 Ω
1 µF
I
F
I
C
Figure 8. Circuit Used to Obtain Switching Time vs.
Collector Current Plot
LED
PULSE
INPUT
DETECTOR
PULSE
OUTPUT
V
CC
= 10 VOLTS
R
L
= 100 Ω
47 Ω
I
F
I
C
λλ
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO
ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME
ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF
OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical
implant into the body,or (b) support or sustain life,
and (c) whose failure to perform when properly
used in accordance with instructions for use provided
in labeling, can be reasonably expected to result in a
significant injury of the user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
PHOTOTRANSISTOR OPTOCOUPLER
MCT4
www.fairchildsemi.com 6 OF 6 8/13/01 DS300241
P1-P3P4-P6

MCT4

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Manufacturer:
ON Semiconductor / Fairchild
Description:
Transistor Output Optocouplers TO-18 PHOTO TRANS
Lifecycle:
New from this manufacturer.
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