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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60VIN LED Controller with Internal PWM Generator

文件：649.56 Kbytes 頁數(shù)：30 Pages

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凌力爾特

具內(nèi)部 PWM 發(fā)生器的 60VIN LED控制器

LT3761A是一款DC/DC控制器，設計用作恒流源和恒壓穩(wěn)壓器。它具有可編程內(nèi)部PWM調(diào)光信號。LT3761A非常適合驅(qū)動高電流LED，但其特性適合對電池和超級電容充電。固定頻率、電流模式架構可在寬電源和輸出電壓范圍內(nèi)穩(wěn)定工作。電壓反饋引腳充當多個LED保護功能的輸入，使得轉(zhuǎn)換器還可以作為恒壓源運行。用戶通過頻率調(diào)整引腳可以在100kHz至1MHz頻率范圍內(nèi)進行編程以優(yōu)化效率、性能或外部元件尺寸。\n\n LT3761A在負載的高端或低端檢測輸出電流。PWM輸入可配置為在固定頻率下自振蕩，占空比在4%至96%范圍內(nèi)可編程。LT3761A提供比LT3761更高的內(nèi)部P ? 用于LED的3000:1真彩色PWM?調(diào)光\n\n? 寬VIN范圍：4.5V至60V\n\n? 軌到軌電流檢測范圍：0V至80V\n\n? 可編程PWM調(diào)光信號發(fā)生器\n\n? 恒定電流(±3%)和恒定電壓(±2%)調(diào)節(jié)\n\n? 模擬調(diào)光\n\n? 在升壓、SEPIC、反相、降壓模式、降壓-升壓模式或反激配置下驅(qū)動LED;

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Package：16-TFSOP（0.118"，3.00mm 寬）裸露焊盤；包裝：卷帶（TR）剪切帶（CT）Digi-Reel? 得捷定制卷帶 類別：集成電路（IC） LED 驅(qū)動器 描述：IC LED DRIVER CTRLR PWM 16MSOP

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Package：16-TFSOP（0.118"，3.00mm 寬）裸露焊盤；包裝：管件 類別：集成電路（IC） LED 驅(qū)動器 描述：IC LED DRIVER CTRLR PWM 16MSOP

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Package：16-TFSOP（0.118"，3.00mm 寬）裸露焊盤；包裝：卷帶（TR） 類別：集成電路（IC） LED 驅(qū)動器 描述：IC LED DRIVER CTRLR PWM 16MSOP

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