OB3308数据手册OB中文资料规格书

描述 Description

OB3308 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 voltage feedback control, and thus provides a low-cost and high reliability LCD backlight solution with minimum system BOM count. OB3308 controls full bridge topology and supports various dimming functions and comprehensive protections.\r
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特性 Features

· Minimal required external components\r
· Full bridge topology\r
· High Precision Reference and Frequency Control\r
· External programmability of the key parameters\r
· Flexible Dimming mode Control£º \r
· Analog dimming control\r
· Internal burst dimming control\r
· External burst (LPWM) dimming control\r
· 0-3V DC voltage direct dimming control without external circuits\r
· Comprehensive Protection Coverage£º\r
· Output over voltage protection (OVP)\r
· Output over current protection (OCP)\r
· Open lamp protection and short lamp protection\r
· Arcing protection\r
· Available in SOP20 and SSOP20 packages,RoHS compliant

应用 Application

LCD CCFL backlight system in \r
· LCD Monitor/TV\r
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Typical Application: