SP4428 Datasheet, PDF (7/11 Pages) Sipex Corporation – Electroluminescent Lamp Driver High Drive Capability for Low Voltage Applications

V_PEAK=80V (typical)
EL1 output; 32 charge steps per half cycle
Figure 1. EL output voltage in discrete steps at EL1 output
16 coil pulses per half cycle; 94% duty cycle.
Figure 2. Voltage pulses released from the coil to the EL driver circuitry
EL1 Output
Figure 3. EL voltage waveforms from the EL1 and EL2 outputs
-EL2 Output
EL1 Output
V_PP=160V
(typical)
-EL2 Output
Differential representation EL₁₂.
Figure 4. EL differential output waveform of the EL1 and EL2 outputs
SP4428DS/16
SP4428 Electroluminescent Lamp Driver
7
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