LX1686 Datasheet - Microsemi Corporation

LX1686 Digital Dimming CCFL Controller IC

The LX1686 Backlight Controller IC provides all the control functions needed to implement Linfinity’s direct drive inverters used to operate cold cathode fluorescent lamps (CCFL’s). This IC can be used to control single or multiple-lamp configurations. CCFL’s are used for back or edge lighting of li.

LX1686 Features

* include a new dual feedback contol loop that permits regulation of maximum lamp strike voltage as well as lamp current. Regulating maximum lamp voltage permits the designer to provide for ample worst case lamp strike voltage while at the same time conservatively limit maximum open circuit voltage. A

LX1686_MicrosemiCorporation.pdf