SP4427 Datasheet, PDF (6/9 Pages) Sipex Corporation – Electroluminescent Lamp Driver Dual Oscillators with High Drive Capability

Vpeak=80V (typ)
EL1 output; charge steps per half cycle based on # of coil pulses per half cycle.
Figure 1.
coil freq.
Number of coil pulses in 1 lamp cycle = lamp freq. (2) ; 90% duty cycle.
Figure 2.
EL1 Output
Figure 3.
-EL2 Output
Figure 4.
SP4427DS/01
Differential Representation E₁₂.
EL1 Output
Vpp=160V (typ)
-EL2 Output
SP4427 Electroluminescent Lamp Driver
6
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