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 頁數(shù)：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 頁數(shù)：31 Pages

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8-Channel ? 100mA LED Driver

文件：425.35 Kbytes 頁數(shù)：32 Pages

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60V 4-Switch Synchronous Buck-Boost Controller

文件：332.8 Kbytes 頁數(shù)：26 Pages

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凌力爾特

40VIN, 75VOUT LED Controllers

文件：504.7 Kbytes 頁數(shù)：28 Pages

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100VIN, 100VOUT LED Controller

文件：399.92 Kbytes 頁數(shù)：26 Pages

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100VIN、100VOUT LED 控制器

LT?3756、LT3756-1和 LT3756-2 是 DC/DC 控制器，專為充當一個用于驅(qū)動高電流 LED 的恒定電流源而設計。它們從一個內(nèi)部已調(diào) 7.15V 電源來驅(qū)動一個低端外部 N 溝道功率 MOSFET。固定頻率、電流模式架構(gòu)在一個很寬的電源和輸出電壓范圍內(nèi)實現(xiàn)了穩(wěn)定操作。一個參考于地電壓 FB 引腳用作多個 LED 保護功能電路的輸入，而且還使轉(zhuǎn)換器能夠起一個恒定電壓源的作用。一個頻率調(diào)節(jié)引腳允許用戶在 100kHz 至 1MHz 的范圍內(nèi)設置頻率，旨在優(yōu)化效率、性能或外部元件尺寸。\n\n LT3756/LT3756-1/LT3756-2 在 LED 串的高端檢測輸 ? 3000:1 True Color PWM? 調(diào)光\n\n? 寬輸入電壓范圍：6V 至 100V\n\n? 輸出電壓高達 100V\n\n? 恒定電流和恒定電壓調(diào)節(jié)\n\n? 100mV 高端電流檢測\n\n? 可以采用升壓、降壓模式、降壓-升壓模式、SEPIC 或反激式拓撲結(jié)構(gòu)來驅(qū)動 LED\n\n? 可調(diào)頻率范圍：100kHz 至 1MHz\n\n? 開路 LED 保護\n\n? 具遲滯的可編程欠壓閉鎖;

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100VIN, 100VOUT LED Controller

文件：317.91 Kbytes 頁數(shù)：24 Pages

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凌力爾特