FAN7311 Datasheet - Fairchild Semiconductor

FAN7311 LCD Backlight Inverter Driver

The FAN7311 provides all the co ntrol fu nctions for a series p arallel resonant co nverter as well as a pu lse width m odulation (PWM) controller t o d evelop a s upply voltage. T ypical op erating fre quency ran ge is bet ween 30kHz and 250kHz, depending on the cold cathode fluorescent lamp (CCFL).

FAN7311 Features

* High-Efficiency Single-Stage Power Conversion

* Wide Input Voltage Range: 5V to 25.5V

* Backlight Lamp Ballast and Soft Dimming

* Reduced Number of Required External Components

* Precision Voltage Reference Trimmed to 2%

* ZVS Full-Bridge Topology

FAN7311_FairchildSemiconductor.pdf