SP4425Q データシートの表示（PDF） - Signal Processing Technologies

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SP4425Q

Electroluminescent Lamp Driver for Low Noise Applications

Signal Processing Technologies 

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

VPP= 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

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