CPC1978J

www.clare.com

3

R02.3

PERFORMANCE DATA*

*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.

35

30

25

20

15

10

5

0

1.17

1.19

1.21

1.23

1.25

LED Forward Voltage (V)

35

30

25

20

15

10

5

0

1.65

1.66

1.67

1.69

1.68

1.70

35

30

25

20

15

10

5

0

825

830

835

840

845

850

7.0

8.0

9.0

6.5

7.5

8.5

Turn-On (ms)

25

20

15

10

5

0

0.12

0.16

0.20

0.10

0.14

0.18

Turn-Off (ms)

25

20

15

10

5

0

CPC1978J

Typical Load Current vs. Temperature

3500

3000

2500

2000

1500

1000

500

0

-40

-20

0

20

40

60

80

120

100

CPC1978J

Typical Leakage vs. Temperature at

Maximum Rated Blocking Voltage

(Measured across Pins 1 & 2)

-40

0.014

0.012

0.010

0.008

0.006

0.004

0.002

0

-20

0

20

40

60

80

100

CPC1978J

Typical Blocking Voltage vs. Temperature

-40

855

850

845

840

835

830

825

820

815

-20

0

20

40

60

80

100

CPC1978J

Typical Turn-On vs. Temperature

-40

14.0

12.0

10.0

8.0

6.0

4.0

2.0

0

-20

0

20

40

60

80

100

CPC1978J

Typical Turn-Off vs. Temperature

-40

0.18

0.16

0.14

0.12

0.10

0.08

0.06

0.04

-20

0

20

40

60

80

100

CPC1978J

Typical LED Forward Voltage Drop

vs. Temperature

1.8

1.6

1.4

1.2

1.0

0.8

-40

-20

0

20

40

60

80

120

100

CPC1978J

Typical Turn-On vs. LED Forward Current

LED Forward Current (mA)

0

5

10

15

20

25

30

35

40

45

18.0

16.0

14.0

12.0

10.0

8.0

6.0

4.0

2.0

1.0

0

50