HV832

HV832 Obsolete High Voltage Dual EL Lamp Driver for Low Noise Applications Features ► Patented audible noise reduction ► Patented lamp aging compensation ► 210 VPP output voltage for higher brightness ► Patented output timing for high efficiency ► Single cell lithium ion compatible ► 150nA shutdown current ► Wide input voltage range 1.8V to 5.0V ► Separately adjustable lamp and converter frequencies ► Output voltage regulation ► Split supply capability Applications ► LCD backlighting ► Mobile Cellular Phone keypads ► PDAs ► Handheld wireless communication products ► Global Positioning Systems (GPS) General Description The Supertex HV832 is a high voltage driver designed for driving two EL lamps with a combined area of 3.5in2. The input supply voltage range is from 2.0V to 5.0V. The device is designed to reduce the amount of audible noise emitted by the lamp. It uses a single inductor and a minimum number of passive components. The nominal regulated ou...