HV858 Overview
The Supertex HV858 is a high voltage triple EL lamp driver designed for driving bined EL lamps of up to 3.0 in2 (1.0 in2 each). The input supply voltage range is from 1.8V to 6.5V. The device is designed such that the input voltage to the inductor can be different from the input voltage to the device (split supply).