SP4425Q Datasheet, PDF (6/12 Pages) Sipex Corporation – Electroluminescent Lamp Driver for Low Noise Applications

V =80V (typical)
PEAK
EL1 output; 32 charge steps per half cycle
Figure 1. EL1 Output without QR1 and QR2
32 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. EL1, EL2 Output without QR1 and QR2
-EL2 Output
EL1 Output
V_PP= 160V
(typical)
-EL2 Output
Differential representation (EL1-EL2)
Figure 4. Differential Representation of (EL1 - EL2) without QR1 and QR2
SP4425QDS/12
SP4425Q Electroluminescent Lamp Driver
6
© Copyright 1998 Sipex Corporation