TK11851LTL 恒流LED驱动电源IC PWM，升压 背光和前光 800KHz 2.3V~ 10V SOT23L-8 1851 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 Step-up DC-DC Converter IC • Very High Speed Adjustable OSC (800kHz Max) • Very Wide Operating Voltage Range (2.3 V to 10 V) • Low Loss Detector (Low Reference Voltage:Vref = 0.515 V) • Internal Switching Transistor • Open-Circuit Protection (OVP) • Active High On / Off Control • Available Intensity Control Using En Pin with PWM Signal • Low component Count • 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驱动器升压型DC-DC转换器IC •超高速（最大800kHz的可调OSC） •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 =0.515 V） •内部开关晶体管 •开路保护（OVP） •开/关控制高电平 •可用亮度控制使用EN引脚与PWM信号 •低元件数量 •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 |
