SP4424DS/16

SP4424 Electroluminescent Lamp Driver

© Copyright 2000 Sipex Corporation

7

The following performance curves are intended to give the designer a relative scale from which to optimize

specific applications. Absolute measurements may vary depending upon the brand of components chosen.

20.0

15.0

10.0

5.0

0.0

Coil Osc Cap (pF)

50

68

75

100

122

240

230

220

210

200

190

180

Coil Frequency (KHz)

16.0

13.6

11.7

9.4

7.4

6

5

4

3

2

1

0

Coil Cap (pF)

50

68

75

100

122

30

25

20

15

10

5

0

Coil Osc Cap (pF)

50

68

75

100

122

16

14

12

10

8

6

4

2

0

Lamp Size (Sq. in)

1

1.5

2

2.3

3

600

500

400

300

200

100

0

Lamp Osc Cap (pF)

580

680

820

1000

1400

3.4

1800

240

230

220

210

200

190

180

Lamp Osc Cap (nF)

580

680

820

1000

1400

250

200

150

100

50

0

Lamp Size (sq. in)

1

1.5

2

2.3

3

1800

3.4

Coil Frequency vs. Coil Osc Cap Value

Coil Frequency vs. E

OUT PP

Coil Cap vs. Light Output

I

Lamp Size vs. Light Output

Lamp Frequency vs. Lamp Osc Cap Value

Lamp Osc Cap vs. E

OUT PP

Lamp Size vs. E

OUT PP