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TK11860BTB Constant Current LED Driver PWM,boost backlightand frontlight 800KHz 2.3V ~ 10V FC-8 AAA
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 |