高效PWM LED驱动器，集成boost转换器和五个恒流GPIO端口

MAX6948B通用输入/输出(GPIO)外设可驱动一串白光LED (WLED)，并提供多达5路通用输入/输出(GPIO)端口，驱动额外的LED。\n集成2MHz升压转换器大大降低了外部元件的尺寸和成本，能够在电压高达28V时提供30mA的负载电流。转换器能够在5V至28V任何负载条件下保持稳定，并具有开路检测功能，保护IC不被损坏。I²C可编程10位脉宽调制(PWM)信号能够支持1024个WLED亮度等级。\n5个GPIO端口可以配置为逻辑输入、漏极开路逻辑输出和恒定吸电流三种模式的任意组合。端口能够承受5.5V电压，与MAX6948B的电源电压无关。其中两个端口的每个端口能够提供高达30m ·28V升压DC-DC转换器，集成nMOS功率开关\n·片内10位PWM控制，提高效率\n·PWM关闭期间没有放电回路，延长电池使用寿命\n·固定2MHz开关频率，可使用更小的外部元件\n·驱动多达6串WLED\n·GPIO和升压转换器输出具有±8kV人体模式(HBM) ESD保护\n·5个漏极开路GPIO能够提供恒流LED驱动以及独立的8位PWM亮度控制\n·2.7V至5V电源范围 \n·寄存器与MAX6946/MAX6947 GPIO端口扩展器兼容 \n·400kbps、I²C接口，可承受5.5V电压\n·4个I²C从地址选择\n·/RST输入可清除串口，并退出关断模式(复位并运行选项)\;

High-Efficiency PWM LED Driver with Boost Converter and Five Constant-Current GPIO Ports

文件：2.23134 Mbytes Page：28 Pages

High-Efficiency PWM LED Driver with Boost Converter and Five Constant-Current GPIO Ports

文件：2.23134 Mbytes Page：28 Pages

包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC LED DRVR RGLTR DIM 30MA 25WLP 集成电路（IC） LED 驱动器

1200 bps Single Chip MSK Modem

GENERAL DESCRIPTION The MSM6948/6948V is a single chip MSK (Minimum Shift Keying) modem which is fabricated by Oki’s low power consumption CMOS silicon gate technology. The demodulator receives the data to be transmitted (SD) synchronized with the transmit timing clock (ST) generated by the on-

1200 bps Single Chip MSK Modem

GENERAL DESCRIPTION The MSM6948/6948V is a single chip MSK (Minimum Shift Keying) modem which is fabricated by Oki’s low power consumption CMOS silicon gate technology. The demodulator receives the data to be transmitted (SD) synchronized with the transmit timing clock (ST) generated by the on-

Silicon Monolithic Integrated Circuit

文件：165.56 Kbytes Page：5 Pages

6-A Dual Output 5-V/3.3-V Input Integrated Switching Regulator

文件：190.78 Kbytes Page：9 Pages