7

SP4416DS/06

SP4416 Electroluminescent Lamp Driver with 4-Level Light Intensity Selection Feature

© Copyright 1999 Sipex Corporation

16 coil pulses per half cycle; 75% duty cycle (maximum intensity setting)

EL1 Output

EL2 Output

EL1 output; 16 charge steps per half cycle (maximum intensity setting)

EL1 Output

EL2 Output

(typical)

Figure 9. EL Output Voltage in Discrete Steps at EL1 Output

Figure 10. Voltage Pulses Released from the Coil to the EL Driver Circuitry

Figure 11. EL Voltage Waveforms from the EL1 and EL2 Outputs

Figure 12. EL Differential Output Waveform of the EL1 and EL2 Outputs