SP4422A
SP4422A is Electroluminescent Lamp Driver manufactured by Sipex.
DESCRIPTION
The SP4422A is a high voltage output DC-AC converter that can operate from a 2.2V-5.0V power supply. The SP4422A is capable of supplying up to 220 VPP signals, making it ideal for driving electroluminescent lamps. The device features
50 n A (typical) standby current, for use in low power portable products. One external inductor is required to generate the high voltage, and one external capacitor is used to select the oscillator frequency. The SP4422A is offered in an 8-pin narrow and 8-pin micro SOIC packages. For delivery in die form, please consult the factory.
HON VSS COIL EL2
1 2 3 4 SP4422
8 7 6 5
CAP 2 CAP 1 VDD EL1
SP4422A Block Diagram
SP4422ADS/15 SP4422A Electroluminescent Lamp Driver © Copyright 2000 Sipex Corporation
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. VDD 7.0V Input Voltages/Currents HON (pin1) -0.5V to (VDD+0.5V) COIL (pin3) 60m A Lamp Outputs 230VPP Storage Temperature -65˚C to +150˚C
Power Dissipation Per Package 8-pin NSOIC (derate 6.14m Wo C above +70o C) 500m W 8-pin µSOIC (derate 4.85m Wo C above +70o C) 390m W
The information furnished herein by Sipex has been carefully reviewed for accuracy and reliability. Its application or use, however, is solely the responsibility of the user. No responsibility for the use of this information is assumed by Sipex, and this information shall not explicitly or...
