HV860 Low Noise, Dimmable EL Lamp Driver Features ► Adjustable output regulation for dimming ► 220VPP output voltage for higher brightness ► Single cell lithium ion compatible ► 150nA shutdown current ► Separately adjustable lamp and converter frequencies ► 3x3mm 12-Lead QFN package ► Split supply capability Applications ► Mobile cellular phone keypads ► PDAs ► Handheld wireless communication products ► Global Positioning Systems (GPS) General Description The Supertex HV860 is a high voltage driver designed for driving Electroluminescent, (EL), lamps of up to 5 square inches.
The input supply voltage range is from 2.
5 to 4.
5V.
The device uses a single inductor and a minimum number of passi...

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