多输出的LED驱动器，如LT3496，提供了极佳的电流匹配、高效和节省空间。灵活的降压、升压和升-降压工作方式使其极适于多种应用。Triple LED Driver in 4mm × 5mm QFN Supports LCD Backlights in Buck, Boost or Buck-Boost Modes and Delivers 3000:1 PWM Dimming Ratio Design Note 449 Hua (Walker) Bai Introduction Integrated PMOS Drivers Improve PWM Dimming By integrating three independent LED drivers, the LT3496 Ratio to 3000:1 offers a highly efcient, compact and cost-effective A high PWM dimming ratio is critical in many display solution to drive multiple LED strings. All three drivers applications, especially in high end LCD panels. Beware, have independent on/off and PWM dimming control, ……