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| SP4423 Datasheet, PDF (1/13 Pages) Sipex Corporation – Electroluminescent Lamp Driver Low Power Applications | |||
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SP4423
Electroluminescent Lamp Driver
Low Power Applications
s 2.2V-5.0V Battery Operation
s 50nA Maximum Standby Current
s High Voltage Output 160 VPP typical
s Internal Oscillator
APPLICATIONS
s PDAs
s Cellular Phones
s Remote Controls
s Hand Held Computers
DESCRIPTION
The SP4423 is a high voltage output DC-AC converter that can operate from a 2.2V-6.0V
power supply. The SP4423 is capable of supplying up to 200 VPP signals, making it ideal for
driving electroluminescent lamps. The device features 10nA (typical) standby current, for use
in low power portable products. An inductor is used to generate the high voltage, and an
external capacitor is used to select the oscillator frequency. The SP4423 is offered in
an 8-pin narrow SOIC and 8-pin µSOIC packages. For delivery in die form, please consult
the factory.
HON 1
VSS 2
COIL 3
EL2 4
SP4423
8 CAP 2
7 CAP 1
6 VDD
5 EL1
Block Diagram
SP4423DS/14
SP4423Electroluminescent Lamp Driver
1
© Copyright 2000 Sipex Corporation
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