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Home >> Products >> I/O Connectivity ICs >> EL Drivers >> ZSP4425

 ZSP4425 -- Electroluminescent Lamp Driver for 1.5V or 2.2V to 4.5V Applications

The ZSP4425 is a high voltage output DC-AC converter that can operate from a single +1.5VDC, +3.0VDC, or +2.2VDC to +4.5VDC power supply. The ZSP4425 is designed with our proprietary high voltage BiCMOS technology and capable of supplying up to 220VPP signals, making it ideal for driving electroluminescent lamps. The device features 1μA (typical) standby current for use in low power portable products. One external inductor is required to generate the high voltage charge and one external capacitor is used to select the oscillator and lamp frequencies. The ZSP4425 is offered in both 8-pin narrow SOIC and 8-pin MSOP package. For delivery in die form, please consult the factory.


  • Low voltage, single battery operation (1.1VDC < VBATTERY < 1.7VDC), or (2.2VDC < VBATTERY < 4.5VDC)
  • DC to AC inverter for EL backlit display panels
  • Externally adjustable internal oscillator
  • Low current standby mode
Target Applications:
  • Pagers
  • Digital watches
  • MP3 players
  • Cell Phones
  • Backlit LCD displays

 Block Diagram


 Selection Guide


Technical Documentation

 Product Brief, Product Introduction and Datasheet

ZSP4425 Brief339.2 KB2015-04-30
ZSP4425 Datasheet 1.1 MB2015-06-10
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