SP4438 Overview
Key Specifications
Package: TSSOP
Operating Voltage: 3 V
Max Voltage (typical range): 3.3 V
Min Voltage (typical range): 2.7 V
Description
The SP4438 device is a low noise, high voltage output DC-AC inverter designed to drive electroluminescent lamps to backlight liquid crystal display and keypads used in cellular phones, cordless phones, 2-way radios, and other wireless communication products. The output waveform of the SP4438 device is ideal for cell phone applications requiring low acoustic noise performance.