TK11860BTB 恒流LED驱动电源IC PWM，升压 背光和前光 800KHz 2.3V ~ 10V FC-8 AAA 低损耗探测/超高速可调OSC/开路保护/低元件数
| 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) • Operates with Toko D31FU, D31FB Miniature Coil(Current Limited by Inductor Current Sensor) • Internal Switching Transistor • Internal schottky diode • Open-Circuit Protection (OVP) • Active High ON / OFF Control • Available Intensity Control Using EN Pin with PWM Signal • Low component Count • Very Small 8 bumps flip chip Package (FC-8) 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） •使用桃红D31FU D31FB微型线圈（目前由电感电流传感器有限公司） •内部开关晶体管 •内部肖特基二极管 •开路保护（OVP） •高电平ON / OFF控制 •可用强度控制使用EN引脚PWM信号 •低元件数 •非常小的8个凸点倒装芯片封装（FC-8） 应用 •LED背光和前光 •LED手电筒 •升压型DC-DC转换器 |
| 规格书PDF |
