General Description

The MAX14514 is a high-voltage DC-AC converter ideal for driving two electroluminescent (EL) lamps. The MAX14514 features a +2.7V to +5.5V input range that allows the device to accept a wide variety of voltage sources, including single-cell lithium-ion (Li+) batteries. The lamp outputs of the device generate up to 300VP-P for maximum lamp brightness.

Benefits and Features

● Dual ±15kV ESD-Protected EL Lamp Outputs

● 300VP-P Maximum Output for Highest Brightness

● +2.7V to +5.5V Input Voltage Range

● Resistor Adjustable Slew-Rate Control

● Resistor Adjustable Lamp and Switching Converter Frequencies

● DIM Input for Controlling Output Voltage Through DC Analog Voltage, PWM, or Resistor to GND

● Capacitor Adjustable Soft Turn-On/-Off

● Low 150nA Shutdown Current

● Thermal Shutdown

● Space Saving, 14-Pin, 3mm x 3mm TDFN Package

Applications

● I Keypad Backlighting

● LCD Backlighting

● PDAs/Smartphones