NCP5005SNT1 数据手册 - ON Semiconductor（安森美）

●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| 24V Description & Applications| FEATURES • Compact Backlight LED Boost Driver • 2.7 to 5.5 V Input Voltage Range • Vout to 24 V Output Compliance Allows up to 5 LEDs Drive in Series • Built−in Overvoltage Protection • Full EMI Immunity • Inductor Based Converter brings up to 90% Efficiency • Constant Output Current Regulation • 0.3 A Standby Quiescent Current • Includes Dimming Function (PWM) • Enable Function Driven Directly from Low Battery Voltage Source • Automatic LEDs Current Matching • Thermal Shutdown Protection • All Pins are Fully ESD Protected • Low EMI Radiation • Pb−Free Package is Available Typical Applications • LED Display Back Light Control • Keyboard Back Light • High Efficiency Step Up Converter 描述与应用| 特点 •紧凑型背光LED升压驱动器 •2.7至5.5 V输入电压范围 •输出电压24 V输出遵守允许多达5个LED驱动器系列 •内置过压保护 •完整的EMI抗扰性 •基于电感的转换带来了90％的效率 •恒定输出电流调节 •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 •自动的LED电流匹配 •热关断保护 •所有的管脚都完全ESD保护 •低EMI辐射 •无铅包装是可用 典型应用 •LED显示背光控制 •键盘背光 •高效率升压转换器