SP4491 Datasheet, PDF (8/13 Pages) Sipex Corporation – Two Panel Electroluminscent Lamp Driver

0.1uF
+3V
EL1
560KΩ
EL2
10nF
1
VDD
2
ROSC ₃
4
VSS ₅
SP4491
EL1
10
EL2
9
8
EL Common
7 ^CAP
CEL1
4.7nf
CEL2
4.7nf
1000pF
6 ^{COIL 1N4148}
+3V
2.2mh 28 ohm
Figure 3: Test Circuit Diagram of SP4491
Figure 4: Typical EL Lamp Voltage Waveform
Rev. 12/19/00
SP4490 Two Panel Electroluminescent Lamp Driver
8
© Copyright 2000 Sipex Corporation