●恒流Constant Current| 是 YES \---|--- 恒压Constant Voltage| 拓扑Topology| PWM,升压(升压) PWM, Step-Up (Boost) 输出数Number of Outputs| 1 内部驱动器Internal Driver| 是 YES 初级类型Type - Primary| 背光 Backlight 次级类型Type - Secondary| 白色 LED White LED 频率Frequency| 1.2MHz 电源电压Voltage - Supply| 2.7V ~ 5.5V 输出电压Voltage - Output| 24.5V Description & Applications| FEATURES • Compact Backlight LED Boost Driver • Inductor Based Converter brings High Efficiency • Constant Output Current Regulation • 2.7 to 5.5 V Input Voltage Range • Vout to 22 V Output Compliance Allows up to 5 LEDs to be Driven in Series which Provides Automatic LED Current Matching • Built−in Output Overvoltage Protection • 0.3 A Standby Quiescent Current • Includes Dimming Function (PWM) • Enable Function Driven Directly from Low Battery Voltage Source • Thermal Shutdown Protection • All Pins are Fully ESD Protected • Low EMI Radiation • Lead−Free Package Typical Applications • LED Display Back Light Control • High Efficiency Step Up Converter 描述与应用| 特点 •紧凑型背光LED升压驱动器 •基于电感的转换带来了高效率 •恒定输出电流调节 •2.7至5.5 V输入电压范围 •输出电压22 V输出符合允许多达5个LED驱动系列提供了自动LED电流匹配 •内置输出过压保护 •0.3 A待机静态电流 •包括调光功能(PWM) •启用功能直接驱动,从低电池电压源 •热关断保护 •所有的管脚都完全ESD保护 •低EMI辐射 •无铅封装 典型应用 •LED显示背光控制 •高效率升压转换器