OB3306中文资料High Integrated LCD Monitor Backlight Inverter Controller数据手册OB规格书

描述 Description

OB3306 is a high integrated and high performance Cold Cathode Fluorescent Lamp (CCFL) controller optimized for LCD monitor backlight application. It integrates high precision (2%) 4 channels of current and 1 channel of voltage feedback control, and thus provides a low-cost and high reliability LCD backlight solution with minimum system BOM count. OB3306 controls push pull topology and supports various dimming functions and comprehensive protections.

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特性 Features

· Minimal required external components
· Push pull topology
· High precision reference and frequency control
· External programmability of the key parameters
· Flexible Dimming mode control£º
· Analog dimming control
· Internal burst dimming control
· External burst (LPWM) dimming control
· 0-2V DC voltage direct dimming control without external circuits
· Dimming range programmable (Max.: 100 ~0 )
· Comprehensive Protection Coverage£º
· Output over voltage protection (OVP)
· Output over current protection (OCP)
· Open lamp protection and short lamp protection
· Arcing protection
· Available in SOP16 packages,RoHS compliant

应用 Application

LCD CCFL backlight system in
· LCD monitor


Typical Application: