PERFORMANCE DATA*
35
30
25
20
15
10
5
45
40
35
30
25
20
15
10
5
35
30
25
20
15
10
5
0
523
525 527
529 531 533
535
0
0
1.24
1.25
1.26
1.28
1.29
3.33
3.36
3.39
3.42
3.45
3.48
Blocking Voltage (V)
LED Forward Voltage (V)
CPC1973Y
Typical Maximum DC
Load Current vs. Temperature
25
20
15
10
5
25
20
15
10
5
IF = 20mA
IF = 10mA
0
0
-40 -20
0
20
40
60
80 100 120
1.5
1.75
2.0
2.25
2.5
2.75
0.008 0.010 0.012 0.014 0.016 0.018 0.020
Turn-On (ms)
Turn-Off (ms)
CPC1973Y
CPC1973Y
Typical Leakage vs. Temperature at
Maximum Rated Voltage
Typical Turn-On vs. Temperature
CPC1973Y
(Load Current = 100 mA
)
Typical Blocking Voltage vs. Temperature
DC
(Measured across Pins 3 & 4)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
570
0.014
0.012
0.010
0.008
0.006
0.004
0.002
0
IF = 10mA
560
550
540
530
520
510
500
490
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
CPC1973Y
CPC1973Y
Typical Turn-Off vs. Temperature
(Load Current = 100 mA
CPC1973Y
Typical Turn-On vs. LED Forward Current
Typical LED Forward Voltage Drop
vs. Temperature
(Load Current = 100 mA
)
DC
)
DC
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
1.8
1.6
1.4
1.2
1.0
0.8
IF = 50mA
IF = 20mA
IF = 10mA
IF = 10mA
0
5
10 15 20 25 30 35 40 45 50
-40
-20
0
20
40
60
80
100
-40 -20
0
20
40
60
80 100 120
LED Forward Current (mA)
*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications, please contact our
application department.
R03
www.clare.com
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