FAN7311B Datasheet PDF | Fairchild Semiconductor

Fairchild Semiconductor FAN7311B

The FAN7311B provides all the control functions for a series parallel resonant converter as well as a pulse width modulation (PWM) controller to develop a supply voltage. The FAN7311B uses a new patent-pending phaseshift control.

Part No.	FAN7311B
Datasheet	FAN7311B Download
Manufacturer	Fairchild Semiconductor
Description	LCD Backlight Inverter Driver
Buy	Stock & Price

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 Soft-Start Capability PWM Control at Fixed Frequency Analog and Burst Dimming Function Programmable Striking Frequency Open-Lamp Protection Open-Lamp Regulation 20-Pin SOIC

DESCRIPTION

Typical operating frequency range is between 30kHz and 250kHz, depending on the cold cathode fluorescent lamp (CCFL) and the transformer's characteristics. 20-SOIC

APPLICATIONS

LCD TV LCD Monitor Ordering Information Part Number FAN7311BM FAN7311BMX Package 20-SOIC 20-SOIC Pb-Free Yes Yes Operating Temperature Range -25°C to 85°C Packing Method Rail Tape & Reel Protected by U.S. Patent: 5,652,479; 7,158,390. © 2007 Fairchild Semiconductor Corporation FAN7311B Rev. 1.0.0 FAN7311B LCD Backlight Inverter Drive IC Internal Block Diagram RT max.