SP4438 Datasheet, PDF (13/19 Pages) Sipex Corporation – Ultra-Quiet Electroluminescent Lamp Driver For Cellular Phone Applications

30
25
20
15
10
5
0
1
Luminance vs.Lamp Size
1.5
2
2.5
Lamp Size (in²)
Figure 3
8
7
6
5
4
3
2
1
0
3
Lamp Frequency vs. V_DD
280
275
270
265
260
255
250
2.5
2.7
2.9
3.1
3.3
3.5
3.7
V_DD (volts)
Figure 4
Rev.11/13/00
SP4438 Ultra-Quiet Electroluminescent Lamp Driver
13
© Copyright 2000 Sipex Corporation