DESCRIPTION

The SP4403 is a high voltage output DC-AC inverter specifically designed to drive electroluminescent lamps to backlight liquid crystal displays, keypads, and backlit readouts used in battery operated portable equipment. The SP4403 will operate from a +2.2V to +4.5V battery source. The device features a low power shutdown mode which draws less than 100nA (typical), ideal for low power portable products.

■ +2.2V to +4.5V Battery Operation

■ DC-to-AC Converter Produces Up To 220 VPP for EL Display Panels

■ Single Resistor Controlled Internal Oscillator

■ Low Current Standby Mode

■ Features

• High Efficiency Super Driver Architecture

• Uses Small 470µH Coil

APPLICATIONS

■ Pagers

■ Cellular Phones

■ PDAs