SP4428 Datasheet, PDF (6/11 Pages) Sipex Corporation – Electroluminescent Lamp Driver High Drive Capability for Low Voltage Applications

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.
V =V =1.5V;
DD COIL
coil
=
470µH/4ohm;
C
OSC
=
180pf;
C
INT
=
1800pf;
C
LOAD
=
4.7nF
Total I_DD vs. Temperature
70
60
50
40
30
20
10
0
-40 0
25 70 85
Temperature (^OC)
Peak voltage vs. Temperature
V_DD = 1.5V
200
150
100
50
0
-40 0
25 70 85
Temperature (^OC)
Lamp Frequency vs. Temperature
500
450
400
350
300
250
200
150
100
50
0
-40 0
25 70 85
Temperature (^OC)
SP4428DS/16
SP4428 Electroluminescent Lamp Driver
6
© Copyright 2000 Sipex Corporation