60VIN/120VOUT Dual LED Controller with Exponential PWM and Scalable Dimming

DESCRIPTION The LT®8355-1 a dual-channel DC/DC controller designed to drive two strings of high current LEDs. The fixed frequency, current mode architecture results in stable operation over a wide range of supply and output voltages. Voltage feedback pins serve as the inputs for several LED

文件：2.44769 Mbytes 页数：30 Pages

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60VIN/120VOUT Dual LED Controller with Exponential PWM and Scalable Dimming

FEATURES - Two independent High Voltage LED Driver Controllers Channels 128:1 Internal Exponential PWM Dimming - Two-Pin Multiplying Analog Dimming (CH2) - Spread Spectrum Frequency Modulation - 20,000:1 External PWM Dimming at 100Hz - Rail-to-Rail LED Current Sensing: 0V to 120V - ±2 LED

文件：4.33304 Mbytes 页数：31 Pages

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60VIN LED Controller with Internal PWM Generator

文件：649.56 Kbytes 页数：30 Pages

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凌力尔特

具内部 PWM 发生器的 60VIN LED控制器

LT3761A是一款DC/DC控制器，设计用作恒流源和恒压稳压器。它具有可编程内部PWM调光信号。LT3761A非常适合驱动高电流LED，但其特性适合对电池和超级电容充电。固定频率、电流模式架构可在宽电源和输出电压范围内稳定工作。电压反馈引脚充当多个LED保护功能的输入，使得转换器还可以作为恒压源运行。用户通过频率调整引脚可以在100kHz至1MHz频率范围内进行编程以优化效率、性能或外部元件尺寸。\n\n LT3761A在负载的高端或低端检测输出电流。PWM输入可配置为在固定频率下自振荡，占空比在4%至96%范围内可编程。LT3761A提供比LT3761更高的内部P • 用于LED的3000:1真彩色PWM™调光\n\n• 宽VIN范围：4.5V至60V\n\n• 轨到轨电流检测范围：0V至80V\n\n• 可编程PWM调光信号发生器\n\n• 恒定电流(±3%)和恒定电压(±2%)调节\n\n• 模拟调光\n\n• 在升压、SEPIC、反相、降压模式、降压-升压模式或反激配置下驱动LED;

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Package：16-TFSOP（0.118"，3.00mm 宽）裸露焊盘；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 类别：集成电路（IC） LED 驱动器 描述：IC LED DRIVER CTRLR PWM 16MSOP

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Package：16-TFSOP（0.118"，3.00mm 宽）裸露焊盘；包装：管件 类别：集成电路（IC） LED 驱动器 描述：IC LED DRIVER CTRLR PWM 16MSOP

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Package：16-TFSOP（0.118"，3.00mm 宽）裸露焊盘；包装：卷带（TR） 类别：集成电路（IC） LED 驱动器 描述：IC LED DRIVER CTRLR PWM 16MSOP

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