HV856

HV856 High Voltage Tri-EL Lamp Driver IC Features ► High voltage, Tri-EL lamp driver with common terminal ► Independent brightness control for all three lamps ► 210VPP output voltage for higher brightness ► 1.8V to 6.5V operating supply voltage ► Output voltage regulation ► Two-pin serial data communication for control ► Linear brightness control with seven steps at constant efficiency ► 128kHz fixed switching frequency ► Split supply capability ► Patented high efficiency EL lamp driver ► Single miniature inductor drives all three lamps ► Only four external components ► Burst mode power converter for best efficiency ► CMOS compatible serial interface with noise rejection ► 150nA max. leakage current when disabled ► Power-on reset causes all outputs to be off when first powered up ► Available in 10-Lead DFN package (0.8mm thickness) Applications ► Multi-segment, variable displays ► Cell phone keypads and displays ► MP3 players General Desc...