TK11850LTL 恒流LED驱动电源IC PWM,升压 背光和前光 800KHz 2.3V ~ 10V SOT23L-8 1850 低损耗探测/超高速可调OSC
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 | |
内部驱动器Internal Driver | 是 YES |
初级类型Type - Primary | 背光和前光 Backlighting and Frontlighting |
次级类型Type - Secondary | 白色 LED White LED |
频率Frequency | 800KHz |
电源电压Voltage - Supply | 2.3V ~ 10V |
输出电压Voltage - Output | |
Description & Applications | FEATURES • WHITE LED DRIVER • Very High Speed Adjustable OSC (Max 800 kHz) • Very Wide Operating Voltage Range (2.3 V to 10 V) • Low Loss Detector (Low Reference Voltage:VREF= 0.5 V) • Operates with Toko D31FU Miniature Coil (Current • Limited by Input Current Sensor) • Internal Switching Transistor • Internal Diode • Active High On / Off Control • Available Intensity Control Using EN Pin with PWM Signal • Very Small SOT23L-8 Surface Mount Package APPLICATIONS • LED Backlighting and Frontlighting • LED Flashlights • Step-up DC-DC Converters |
描述与应用 | 特点 •白光LED驱动器 •超高速可调OSC(最大800千赫) •非常宽工作电压范围(2.3 V至10 V) •低损耗探测器(低参考电压VREF=0.5 V) •使用桃红供应微型D31FU线圈(电流 •输入电流传感器有限公司) •内部开关晶体管 •内部二极管 •开/关控制高电平 •可用亮度控制使用EN引脚与PWM信号 •非常小SOT23L-8表面贴装封装 应用 •LED背光和前光 •LED手电筒 •升压型DC-DC转换器 |
规格书PDF |