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MCA231 Datasheet

PHOTODARLINGTON OPTOCOUPLER

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MCA230/231/255
PHOTODARLINGTON
OPTOCOUPLER
FEATURES
• CTR Minimum
MCA230/255, 100%
MCA231, 200%
• Isolation Test Voltage, 5300 VACRMS
• Coupling Capacitance, 0.5 pF
• Fast Rise Time, 10 µs
• Fast Fall Time, 35 µs
• Underwriters Lab File #E52744
• VDE #0884 Available with Option 1
DESCRIPTION
The MCA230/231/255 are industry standard opto-
couplers, consisting of a Gallium Arsenide infrared
LED and a silicon phototdarlington. These opto-
couplers are constructed with a high voltage insu-
lation, double molded packaging process which
offers 7.5 KV withstand test capability.
Maximum Ratings
Emitter
Reverse Voltage .................................................6 V
Continuous Forward Current ........................ 60 mA
Power Dissipation at 25°C..........................135 mW
Derate Linearly from 25°C ......................1.8 mW/°C
Detector
Collector-Emitter Breakdown Voltage
MCA230/231 .................................................30 V
MCA255 ........................................................55 V
Emitter-Collector Breakdown Voltage ................7 V
Collector-Base Breakdown Voltage
MCA230/231 .................................................30 V
MCA255 ........................................................55 V
Power Dissipation at 25°C..........................210 mW
Derate Linearly from 25°C ......................2.8 mW/°C
Package
Total Package Dissipation at 25°C
(LED plus Detector) ................................260 mW
Derate Linearly from 25°C ......................3.5 mW/°C
Storage Temperature .................. –55°C to +150°C
Operating Temperature .............. –55°C to +100°C
Lead Soldering Time at 260°C .................... 10 sec.
Isolation Test Voltage ........................5300 VACRMS
Isolation Resistance
VIO=500 V, TA=25°C..................................1012
VIO=500 V, TA=100°C................................ 1011
Dimensions in inches (mm)
321
Pin One ID.
Anode 1
6 Base
.248 (6.30)
.256 (6.50)
Cathode 2
5 Collector
.039
(1.00)
min.
4°
typ.
.018 (0.45)
.022 (0.55)
4 56
.335 (8.50)
.343 (8.70)
NC 3
4 Emitter
.300 (7.62)
typ.
.130 (3.30)
.150 (3.81)
.020 (.051) min.
.031 (0.80)
.035 (0.90)
.100 (2.54) typ.
18° typ.
.010 (.25)
.014 (.35)
.300 (7.62)
.347 (8.82)
.110 (2.79)
.150 (3.81)
Characteristics (TA=25°C)
Symbol Min. Typ. Max. Unit Condition
Emitter
Forward Voltage
Reverse Current
Junction
Capacitance
VF
IR
CJ
1.1 1.5 V
IF=50 mA
10 µA VR=3 V
50 pF VR=3 V
Detector
BVCEO
MCA230/231
MCA255
30
30
V IC=100 µA, IF=0 mA
V IC=100 µA, IF=0 mA
BVECO
BVCBO
MCA230/231
MCA55
7
30
55
V IE=10 µA, IF=0 mA
V IC=10 µA, IF=0 mA
V IC=10 µA, IF=0 mA
ICEO
Package
100 nA VCE=10 V, IF=0 mA
VCEsat
DC Current
Transfer Ratio
MCA230/255
MCA231
Capacitance
Input to Output
Switching Times
CTR
CTR
CIO
ton
toff
0.8 V
1.0 V
1.0 V
1.0 V
1.2 V
ICE=2 mA, IF=16 mA
IC=IF=50 mA
IC=2 mA, IF=1 mA
IC=10 mA, IF=5 mA
IC=50 mA, IF=10 mA
100
200
0.5
10
35
% VCE=5 V, IF=10 mA
% VCE=5 V, IF=1 mA
pF
µs RL=100
µs VCE=10 V
5–1



Siemens Electronic Components Datasheet

MCA231 Datasheet

PHOTODARLINGTON OPTOCOUPLER

No Preview Available !

Figure 1. Forward voltage versus forward current
1.4
1.3 Ta = -55°C
1.2
1.1 Ta = 25°C
1.0
0.9
0.8
0.7
.1
Ta = 85°C
1 10
IF - Forward Current - mA
100
Figure 2. Normalized non-saturated and saturated
CTRce at TA = 25°C versus LED current
1.2 Normalized to:
1.0 Vce = 5 V
IF = 10 mA
0.8 Ta = 25 °C
Vce = 5 V
0.6
0.4
0.2
0.0
.1
Vce =1V
1 10 100
IF - LED Current - mA
1000
Figure 3. Normalized non-saturated and saturated
collector-emitter current versus LED current
10 Normalized to:
Ta = 25°C
1 IF = 10 mA
Vce = 5 V
.1
Vce = 5 V
Vce = 1V
.01
.001
.1
1 10
IF - LED Current - mA
100
Figure 4. Normalized collector-base photocurrent
versus LED current
10 Normalized to:
Ta = 25°C
1 Vcb = 3.5 V
IF = 10 mA
.1
.01
.001
.1
1 10
IF - LED Current - mA
100
Figure 5. Non-saturated and saturated HFE versus base current
10000
8000
Ta = 25°C
Vce = 5 V
6000
4000
2000
Vce = 1 V
0
.01 .1
1 10
Ib - Base Current - µA
100
Figure 6. Low to high propagation delay versus
collector load resistance and LED current
80 Ta = 25°C, Vcc = 5V
Vth = 1.5 V
60
1K
220
40
470
20
100
0
0 5 10 15 20
IF - LED Current - mA
Figure 7. High to low propagation delay versus
collector load resistance and LED current
20
1K
Ta = 25°C
15 Vcc = 5 V
Vth = 1.5 V
10
100
5
0
0 5 10 15
IF - LED Current - mA
20
Figure 8. Switching timing waveform and schematic
IF
tD
VO tR
tPLH
VCC=5 V
F=10 KHz,
DF=50%
RL
VO
tPHL
VTH=1.5 V
tS tF
IF=10 mA
MCA230/231/255
5–2


Part Number MCA231
Description PHOTODARLINGTON OPTOCOUPLER
Maker Siemens Group
Total Page 2 Pages
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