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.
Features:
◆ Minimal required external components ◆ Push pull topology ◆ High precision reference and frequency control ◆ External programmability of the key parameters ◆ Flexible Dimming mode control: ◇ 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: ◇ 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
Applications:
LCD CCFL backlight system in ◆ LCD monitor
Typical Application:
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