SP4424 Datasheet, PDF (8/12 Pages) Sipex Corporation – Electroluminescent Lamp Driver Dual Oscillators

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.
140
350
120
300
100
250
80
200
60
3.0V
150
3.0V
40
2.2V
100
2.2V
20
0
-40
0
25
70
85
Temperature (^oC)
50
0
-40
0
25
70
85
Temperature (^oC)
Peak to Peak Voltage vs. Temperature
C_COIL=220pF; C_LAMP=1500pF; Load=55nF
Lamp Frequency vs. Temperature
C_COIL=220pF; C_LAMP=1500pF; Load=55nF
40
35
30
25
20
15
10
5
0
-40
0
25
70
Temperature (^oC)
3.0V
2.2V
85
8
7
6
5
4
3
2
1
0
-40
0
25
70
Temperature (^oC)
3.0V
2.2V
85
Total Current vs. Temperature
C_COIL=220pF; C_LAMP=1500pF; Load=55nF
Coil Frequency vs. Temperature
C_COIL=220pF; C_LAMP=1500pF; Load=55nF
SP4424DS/16
SP4424 Electroluminescent Lamp Driver
8
© Copyright 2000 Sipex Corporation