sp4403 Exar Corporation, sp4403 Datasheet - Page 8

• Manufacturer Part Number: sp4403
• Description: Low Voltage Electroluminescent Lamp Driver
• Manufacturer: Exar Corporation

SP4403DS/05
Figure 6. EL Differential Output Waveform of the EL1 and EL2 Outputs
Figure 3. EL Output Voltage in Discrete Steps at EL1 Output
Figure 4. Voltage Pulses Released from the Coil to the EL Driver Circuitry
Figure 5. EL Voltage Waveforms from the EL1 and EL2 Outputs
EL1 output; 64 charge steps per half cycle
64 coil pulses per half cycle; 89% duty cycle.
Differential Representation E 12 .
SP4403 Electroluminescent Lamp Driver
8
V
PEAK
=80V (typical)
EL2 Output
EL1 Output
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V
(typical)
PP
EL1 Output
EL2 Output
=160V