OB3309RP Datasheet

High Integrated U-Type CCFL Backlight Driver


OB3309 is a high integrated and high performance U-type Cold Cathode Fluorescent Lamp (CCFL) controller optimized for LCD monitor backlight application. Comprehensive protection functions are integrated, thus it provides a low-cost and high reliability LCD backlight solution with minimum system BOM count. OB3309 controls push pull topology and supports various dimming functions.


◆ Minimal required external components
◆ Push pull topology
◆ High precision reference and frequency control
◆ External programmability of the key parameters
◆ Flexible Dimming mode Control:
◇ Selective dimming polarity
◇ Analog, internal burst and external burst (LPWM) dimming control
◇ 0-2V DC voltage or external PWM direct dimming control without external circuits
◇ Dimming range programmable (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 package, RoHS compliant



Download DataSheet PDF View and Download

Manufacturer information

Warm Hint

What HQEW.NET can offer here?
1. www.hqew.net/product-data provides numerous and various electronic part data-sheet and technology document here., if it can't be shown, Please feel free to ask us for it.
2. www.hqew.net/news provides the latest information of the semiconductor industry or the electronics industry for you.
3. www.hqew.net provides verified suppliers and numerous electronic components for your demand and business.
Any questions you can contact us by email cs@hqew.net.
related datasheet
Browse Alphabetically: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9
Contact Us


One to One Customer Service