CPC1945Y

www.clare.com

Rev. 1

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.

3

CPC1945Y

Typical LED Forward Voltage Drop

(Ambient Temperature = 25 C)

35

30

25

20

15

10

5

0

1.17

1.19

1.21

1.23

1.25

LED Forward Voltage Drop (V)

o

CPC1945Y

Typical On-State Output

Forward Voltage Distribution

(Ambient Temperature = 25 C)

35

30

25

20

15

10

5

0

1.05

1.07

1.09

1.11

1.06

1.08

1.10

Output Forward Voltage

o

CPC1945Y

(Ambient Temperature = 25˚C)

0.22

0.24

0.26

0.21

0.23

0.25

0.27

LED Current (mA)

25

20

15

10

5

0

o

CPC1945Y

Typical Blocking Voltage Distribution

(Ambient Temperature = 25˚C)

600

610

620

630

625

615

605

Blocking Voltage

25

20

15

10

5

0

o

CPC1945Y

Typical Maximum Load

Current vs. Temperature

Temperature ( C)

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

-40 -20

0

20

40

60

80

120

100

I =5mA

F

o

CPC1945Y

Typical Blocking Voltage

vs. Temperature

Temperature (˚C)

#

"

##

%

&#

$#

$"

$!

$ 

$

$

#'

CPC1945Y

Typical Leakage vs. Temperature

@ Maximum Rated Load Voltage

LED Forward Current (mA)

25

40

55

70

85

0.278

0.276

0.274

0.272

0.270

0.268

0.266

0.264

CPC1945Y

Temperature (˚C)

25

40

55

70

85

1.100

1.080

1.060

1.040

1.020

1.000

0.980

0.960

CPC1945Y

Typical LED Forward Voltage Drop

vs. Temperature

Temperature ( C)

1.8

1.6

1.4

1.2

1.0

0.8

-40

-20

0

20

40

60

80

120

100

50mA

10mA

5mA

o

30mA

20mA

CPC1945Y

Maximum Surge Current (non-repetitive)

(T

Pulse Duration (mS)

$

#







&

$

"



CPC1945Y

Typical I

Over Temperature

Temperature (˚C)

25

40

55

70

85

0.400

0.350

0.300

0.250

0.200

0.150

0.100

0.050

0.000

Mechanical Dimensions

Dimensions

mm

(inches)

8 Pin SIP

6.350 TYP.

(.250)

5.944 TYP.

(.234)

3.30

(.130)

8.99

(.354)

.508 TYP.

(.020)

5.080

(.200)

10.160

(.400)

19.202

± .381

(.756

± .015)

3.302

± .051

(.130

± .002)