OB3316/OB3316N is CCFL inverter control IC designed to drive CCFL in push pull topology. Implemented with On-Bright patented proprietary technology, OB3316 offers rich protection and performance enhancement features and thus provides a cost effective high performance LCD backlight solution with minimum total BOM count.


Features:

◆ High precision reference and frequency setting
◆ External programmability of the key parameters
◆ Flexible dimming mode with wide range control:
◇ Seletive postive or negative dimming version
◇ Analog, internal burst and external LPWM
◇ 0-3V DC voltage direct dimming without any additional components
◆ Comprehensive protection coverage:
◇ IC supply under voltage lockout (UVLO)
◇ System supply brownout protection
◇ Output over voltage protection (OVP)
◇ Open lamp protection
◇ Short lamp protection
◆ Available in DIP16 and SOP16 packages, RoHS compliant



Applications:

LCD CCFL backlight system in
◆ LCD Monitor/TV
◆ Portable DVD
◆ LCD flat panel display for instruments/automobile


Typical Application: