SP4490 Datasheet, PDF (9/12 Pages) Sipex Corporation – Two Panel Electroluminscent Lamp Driver

PERFORMANCE CHARACTERISTICS
100
90
80
70
V_CAP,pk
60
50
40
30
I_DD
20
10
0
200
400
600
800
ROSC (k Ω)
Figure 1
1000
600
550
Freq.
500
450
400
350
300
250
Lumi.
200
150
100
200
400
600
800
Figure 3
ROSC (k Ω)
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
1000
140
120
100
80
VCAP,pk
60
40
Lumi.
20
I_DD
0
2.0
3.0
4.0
5.0
V_DD (V)
Figure 2
14.0
12.0
10.0
8.0
6.0
4.0
2.0
0.0
6.0
100
90
80
VCAP,pk
10.0
9.0
8.0
70 _Lumi.
7.0
60
6.0
50
5.0
40
I_DD
4.0
30
3.0
20
2.0
10
1.0
0
0.0
400 500 600 700 800 900 1000
Inductor Value (µH)
Figure 4
Rev. 9/12/00
SP4490 Two Panel Electroluminescent Lamp Driver
9
© Copyright 2000 Sipex Corporation