SC604AIMLTR

SC604AIMLTR LED驱动电源IC 背光 250KHz 2.5V ~ 6.5V MLP-16/4X4 604A 软启动/浪涌电流限制

恒流Constant Current|

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恒压Constant Voltage|

拓扑Topology|

输出数Number of Outputs| 4

内部驱动器Internal Driver|

初级类型Type - Primary| 背光 Backlight

次级类型Type - Secondary| 白色 LED White LED

频率Frequency| 250KHz

电源电压Voltage - Supply| 2.5V ~ 6.5V

输出电压Voltage - Output|

Description & Applications| FEATURES • Low Noise, High Efficiency Regulated White LED Driver • Very high efficiency over 90% of battery life • Peak efficiency over 92% • Current regulation for up to 4 LEDs • Digital 3 bit output control logic • Current matching tolerance of ±3% typical • Wide current range per LED [0.5mA - 30mA] • High available total LED current = 4 z ILED = 120mA • Low Shutdown Current: 1µA typical • Soft start / In-rush current limiting • Short circuit protection • MLP-16 [4x4] Package • Fixed frequency 250kHz • 1x, 1.5x and 2x charge pump modes of operation Applications • Cellular phones • LED backlighting • PDA power supplies • Portable devices • Electronic books • Wireless web appliances • LCD Modules

描述与应用| 特点 •低噪音，高效率稳压白光LED驱动器 •非常高的效率超过90％的电池寿命 •超过92％的峰值效率 •多达4个LED电流调节 •3位数字输出控制逻辑？ •电流匹配容差±3％（典型值） •宽电流范围每个LED [0.5毫安 - 30毫安] •可用总高LED电流ILED=120毫安=4 Z •低关断电流：典型值1μA •软启动/浪涌电流限制 •短路保护 •MLP-16[4X4]软件包 •固定频率为250kHz •1倍，1.5倍和2倍电荷泵操作模式 应用 •蜂窝电话 •LED背光 •PDA电源 •便携式设备的 •电子图书 •无线网络设备 •液晶显示模块