DESCRIPTION
The SP4414 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 SP4414 will operate from a +2.2V to +4.5 V battery source. The device features a low power shutdown mode which draws less than 100nA (typical), ideal for low power portable products.

■ Low Power +2.2V to +4.5V Battery Operation
■ Low-Cost EL Driver Ideal for LED Backlighting Replacement
■ DC-to-AC Inverter can Produce Over 160V PP for EL Lamps
■ Requires a 32kHz External Clock Signal
■ Synchronize EL Driver Operation to Existing System Clock for Portable Applications (i.e. Pagers, Cellular Phones, PDAs, etc.)
■ Low Current Standby Mode