OB3370 Series

Cost Effective LED Backlight Driver Controller

OB3370 series are high integrated and cost effective Light Emitting Diode (LED) drivers optimized for LCD monitor backlight application. It operates in voltage mode Fixed-Frequency boost topology, supports internal burst and external burst (LPWM) dimming functions and over voltage protection.


Features: 

◆ Minimal required external components
◆ Voltage mode boost topology
◆ High precision reference and Fixed-Frequency (300kHz) control
◆ External programmability of the key parameters
◆ Flexible Dimming mode Control: 
◇ Internal burst ,external burst (LPWM) dimming control 
◇ 0-2V DC voltage or external PWM direct dimming control without external circuits
◇ Dimming range programmable (Max.: 100%~0%)
◆ Reliable protection coverage:
◇ Output over voltage protection (OVP)
◇ Under voltage lockout 
◆ Available in SOP8 package, RoHS compliant



Applications: 

◆ LCD monitor
◆ LCD TV

Typical Application:

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