High-Voltage EL Lamp Driver

The IMP803 is an Electroluminescent (EL) lamp driver with the four EL lamp driving functions on-chip. These are the switch-mode power supply, its high-frequency oscillator, the high-voltage H-bridge lamp driver and its low-frequency oscillator.

KEY FEATUREs
◆Low Power: 420µA typical VDDcurrent
◆Wide operating voltage range - from 2.0V to 6.5V
◆180V peak-to-peak typical AC output voltage
◆Large output load capability - drive lamps with more than 30nF capacitance
◆Adjustable output lamp frequency for control of lamp color, lamp life, and power consumption
◆Adjustable converter frequency to minimize power consumption
◆Device can be Enabled/Disabled
◆Low quiescent current – 20nA (disabled)
◆High-Voltage CMOS Process
◆MicroSO package option

APPLICATIONs
◆GPS units/Pagers/Cellular phones
◆PDAs/Handheld computers
◆Safety illumination
◆Portable instrumentation
◆Battery-operated displays
◆LCD modules
◆Toys