SP4490 Datasheet, PDF (8/12 Pages) Sipex Corporation – Two Panel Electroluminscent Lamp Driver

+3V
500kΩ
EL1/EL2
1
VDD
2
10nF
ON/OFF
ROSC ₃
4
VSS ₅
SP4490
EL1
10
EL2
9
8
EL Common
7 ^CAP
CEL1
7.3nF,
2.5in²
CEL2
7.3nF, 2.5in²
1000pF
6 ^{COIL 1N4148}
+3V
820µH*
*DC Resistance 13Ω*
Figure 3: Test Circuit Diagram of SP4490
Figure 4: Typical EL Lamp Voltage Waveform
Rev. 9/12/00
SP4490 Two Panel Electroluminescent Lamp Driver
8
© Copyright 2000 Sipex Corporation