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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36V, 2A Synchronous Step-Up LED Driver

文件：2.49149 Mbytes 頁數(shù)：30 Pages

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60VIN, 100VOUT Synchronous 4-Switch Buck-Boost LED Driver Controller with Low EMI

文件：2.69646 Mbytes 頁數(shù)：32 Pages

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60V, 1.5A LED Driver with Internal Exponential Scale Dimming

文件：2.50075 Mbytes 頁數(shù)：26 Pages

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60VIN LED Controller with Internal PWM Generator

文件：584.16 Kbytes 頁數(shù)：32 Pages

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凌力爾特

具內(nèi)部 PWM 發(fā)生器的 60VIN LED 控制器

LT?3761?/ LT3761-1 是一款 DC/DC 控制器，專為充當(dāng)一個(gè)恒定電流源和恒定電壓調(diào)節(jié)器而設(shè)計(jì)。該器件具有一個(gè)可編程內(nèi)部 PWM 調(diào)光信號(hào)。LT3761 / LT3761-1 非常適合于驅(qū)動(dòng)高電流 LED，但同時(shí)也擁有使其適合對(duì)電池和超級(jí)電容器進(jìn)行充電的特點(diǎn)。固定頻率、電流模式架構(gòu)在一個(gè)很寬的電源和輸出電壓范圍內(nèi)實(shí)現(xiàn)了穩(wěn)定操作。一個(gè)電壓反饋引腳用作多個(gè) LED 保護(hù)功能電路的輸入，而且還使得轉(zhuǎn)換器能夠起一個(gè)恒定電壓源的作用。一個(gè)頻率調(diào)節(jié)引腳允許用戶在 100kHz 至 1MHz 的范圍內(nèi)設(shè)置頻率，旨在優(yōu)化效率、性能或外部組件尺寸。LT3761-1可同步至一個(gè)外部時(shí)鐘。\n\nL ? 用于 LED 的 3000:1 True Color PWM? 調(diào)光\n? 寬 VIN 范圍：4.5V 至 60V \n? 軌至軌電流檢測(cè)范圍：0V 至 80V\n? 可編程 PWM 調(diào)光信號(hào)發(fā)生器\n? 恒定電流 (±3%) 和恒定電壓 (±2%) 調(diào)節(jié)\n? 模擬調(diào)光\n? 可以采用升壓、SEPIC、負(fù)輸出、降壓模式、降壓-升壓模式、或反激式配置來驅(qū)動(dòng) LED\n? 輸出短路保護(hù)型升壓\n? 開路 LED 保護(hù)\n? 可調(diào)開關(guān)頻率：100kHz 至 1MHz\n? 具遲滯的可編程 VIN UVLO\n? 用于電池充電器的 C/10 指示\n? 低停機(jī)電流：<1μA\n?;

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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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亞德諾

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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60VIN LED Controller with Internal PWM Generator

文件：393.63 Kbytes 頁數(shù)：28 Pages

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凌力爾特