OB3306
DC/AC CCFL Controller IC Product
High Integrated LCD Monitor Backlight Inverter Controller
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.
Applications:
LCD CCFL backlight system in
LCD monitor
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 proteciton (OCP)
Open lamp protetion and short lamp protection
Arcing protection
Available in SOP16 packages,RoHS compliant
Typical Application:
GreenEngineTM Technology
for Green Power