Description:
OB3306 is a high integrated and high performance Cold Cathode Fluorescent Lamp (CCFL) control
ler 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 topol ogy 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%)