RT9271CE LED驱动电源IC 升压 1.1MHz 2.4V ~ 6V 20V SOT-163/SOT23-6 CA 高效率
| 恒流Constant Current | |
| 恒压Constant Voltage | |
| 拓扑Topology | 升压 Set-up |
| 输出数Number of Outputs | 3 |
| 内部驱动器Internal Driver | |
| 初级类型Type - Primary | |
| 次级类型Type - Secondary | 白色 LED White LED |
| 频率Frequency | 1.1MHz |
| 电源电压Voltage - Supply | 2.4V ~ 6V |
| 输出电压Voltage - Output | 20V |
| Description & Applications | FEATURES •White LED Step-Up Converter in Tiny Package •Inherently Matched LED Current •Up to 80mA Output Current @ VOUT < 12V •High Efficiency : 85% Typical •Drives Up to Three LEDs from 2.8V Supply •20V Internal Switch •Fast 1.1 MHz Switching Frequency •Uses Tiny 1 mm Height Inductors •Requires Only 1uF Output Capacitor •Low Profile SOT-23-6 Package •Optional 15V Over Voltage Protection •RoHS Compliant and 100% Lead (Pb)-Free Applications • Mobile Phone • Digital Still Camera • PDAs, Handheld Computers • MP3 Players • GPS Receivers |
| 描述与应用 | 特点 •微型封装的白光LED升压转换器 •固有匹配的LED电流 •高达80mA的输出电流@ VOUT<12V •高效率：85％（典型值） •驱动多达三个LED从2.8V电源 •20V内部开关 •快速1.1 MHz的开关频率 •采用纤巧的1毫米高的电感器 •只需要1uF的输出电容器 •薄型SOT-23-6封装 •可选15V过电压保护 •符合RoHS标准，100％无铅（pb）产品 应用 •手机 •数码相机 掌上电脑，掌上电脑 •MP3播放器 •GPS接收机 |
| 规格书PDF |
