T6311A提供只需最简单的周边元件控制方式, 既可提供及控制定电流供驱动白光LED,本装置可提供四组稳定的电流源供点亮LED背光板,, 而定电流的最大好处为可提供均匀一致的背光亮度,T6311A 的封装型式为QFN及TSOP,主要应用领域为手机、数位相机及个人数位助理。 FEATURES • Low 200mV Dropout at 9mA • Up to 150mA LED Bias Current • 0.3% LED Current Matching • Simple LED Brightness Control • Low 40uA Supply Current • Low 0.05uA Shutdown Current • 2.5V to 5.5V Supply Voltage Range • SOP-8 and SOT23-6 Package • Output channel : SOP-8 package for four channel SOT23-6 package for three channel
Applications • Cellular Phones • Portable Communication Devices • Handheld Electronics • Digital Cameras • PDAs • LED/Display Back Light Driver • LEDs for Camera Flash