OB3360中文资料High Performance LED Backlight Driver Controller数据手册OB规格书

描述 Description

OB3360 is a high integrated and high performance Light Emitting Diode (LED) driver optimized for LCD monitor backlight application. It integrates 8 channels of current source to drive LED arrays, and thus provides a cost effective and high reliability LCD backlight solution. OB3360 operates in current mode boost topology, and supports various dimming functions and comprehensive protections.

特性 Features

· Minimal required external components
· Current mode boost topology
· ¡À3 matching accuracy between 8 LED strings control current
· High precision reference and Selective-Frequency (160KHz/320KHz/640KHz/1.2MHz) 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 (100 ~0 )
· Comprehensive protection coverage:
· Output over voltage protection (OVP)
· Under voltage lockout
· Open LED protection and programmable short LED protection
· Over temperature protection (OTP)
· Available in QFN24/TSSOP24 packages, RoHS compliant

应用 Application

· Notebook PC
· LCD monitor
· LCD TV