Features:

Compact and cost effective system design

Direct LPWM input

Cost effective Push Pull topology

Programmable constant PWM frequency

High precision reference and frequency setting

Soft start

Build in negative LPWM dimming (burst mode)

1.3 times high striking frequency

Build in 1.5S (typical) striking timer

Comprehensive protection coverage:

IC supply under voltage lockout

Open lamp protection

Output short circuit protection

Available in DIP8 and SOP8 package, RoHS compliant

Applications:

LCD CCFL backlight system in

LCD monitor

LCD TV

LCD flat panel display system

Description:

OB3302 is a cost effective PWM

controller that dedicated for CCFL

inverter application in push pull

topology, it integrates complete

functions which includes striking

management, dimming control

and lamp fail protections.