集成升压控制器12路白光LED驱动芯片

EUP2589是一款专用于大尺寸LCD面板LED背光驱动器，其内部集成大功率/高效率升压转换器，同时提供12通道LED电流驱动电路。\nEUP2589内置固定开关频率的电流模式升压控制器，此结构能在每个开关周期内都有效控制电感峰值电流。EUP2589输入电压范围从4.5V~28V，其升压转换器开关频率可由外接电阻进行设定，此控制器驱动一个外接的功率管为LED背光提供驱动电压。利用外接电阻可设定EUP2589 12CHs LED电流，同时12通道间LED电流匹配达±1.5%，每一通道LED电流精度高达±2%，此性能保证了LED背光亮度的均一性与精确性。\nEUP2589具有3uA •3uA关断电流\n•可驱动12串LED并联，单串可达18LEDs\n•支持外部PWM和DC调光\n•高达65V输出电压\n•宽输入电压范围：4.5V ~ 28V\n•通道之间电流匹配精度为±1.5%\n•外接电阻设置升压转换器频率\n•内置多种保护功能\n-电流极限保护\n-LED短路检测\n-过温保护\n-输出过压保护\n•关断模式下LED电流完全关断\n•集成UVLO/过热保护\n•最小0.5μs LED开启时间\n•热增强28引脚的TSSOP28封装\n•符合RoHS指令，100%无铅封装;

12 String White LED Driver With Boost Controller

文件：205.68 Kbytes Page：1 Pages

Bandpass Filter

General Description KR 2589 is a 10 MHz bandpass filter. The filter has a minimum 3 dB bandwidth of 2 MHz and is designed for 50 Ω source and load impedance. Other and bandwidths are available. Also available in a surface mount package. Please consult the factory. Features • 10 MHz Bandpass •

CD Digital Signal Processor

Description The CXD2589Q is a digital signal processor LSI for CD players and is equipped with built-in digital filters, zero detection circuit, 1-bit DAC, and analog low-pass filter on a single chip. Features Digital Signal Processor (DSP) Block • Playback mode supporting CAV (Constant Angula

SINGLE-CHANNEL NEGATIVE HIGH VOLTAGE HOT SWAP POWER CONTROLLERS/SEQUENCERS

General Description The MIC2589 and MIC2595 are single-channel, negative voltage hot swap controllers designed to address the need for safe insertion and removal of circuit boards into “live” system backplanes, while using few external components. The MIC2589/MIC2589R and the MIC2595/MIC2595R are

Single-Channel, Negative High-Voltage Hot Swap Power Controller/Sequencer

文件：4.21117 Mbytes Page：29 Pages

Single-Channel, Negative High-Voltage Hot Swap Power Controller/Sequencer

文件：4.2118 Mbytes Page：29 Pages