40VIN、75VOUT LED 控制器

LT®3755、LT3755-1 和 LT3755-2 是 DC/DC 控制器，专为充当一个用于驱动高电流 LED 的恒定电流源而设计。它们从一个内部已调 7.15V 电源来驱动一个低端外部 N 沟道功率 MOSFET。固定频率、电流模式架构在一个很宽的电源和输出电压范围内实现了稳定操作。一个参考于地的电压 FB 引脚用作多个 LED 保护功能电路的输入，而且还使得转换器能够起一个恒定电压源的作用。一个频率调节引脚允许用户在 100kHz 至 1MHz 的范围内设置频率，旨在优化效率、性能或外部元件尺寸。\n\n LT3755/LT3755-1/LT3755-2 在 LED 串的高端 • 3000:1真彩色PWM™调光 \n\n• 宽输入电压范围：4.5V至40V \n\n• 输出电压最高可达75V \n\n• 恒流和恒压调节 \n\n• 100mV高端电流检测 \n\n• 在升压、降压模式、降压-升压模式、SEPIC或反激式拓扑下驱动LED \n\n• 可调频率：100kHz至1MHz\n\n• 开路LED保护\n\n• 具有迟滞的可编程欠压闭锁;

ADI

亚德诺

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

AD

亚德诺

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

AD

亚德诺

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

AD

亚德诺

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

AD

亚德诺

40VIN, 75VOUT LED Controllers

文件：355.84 Kbytes 页数：26 Pages

LINER

凌力尔特

32-Channel 20mA LED Driver with Buck Controller 0.5關s Minimum LED On Time

文件：403.26 Kbytes 页数：28 Pages

LINER

凌力尔特

8-Channel 횞 100mA LED Driver

文件：425.35 Kbytes 页数：32 Pages

LINER

凌力尔特

60V 4-Switch Synchronous Buck-Boost Controller

文件：332.8 Kbytes 页数：26 Pages

LINER

凌力尔特

36V, 2A Synchronous Step-Up LED Driver

文件：2.49149 Mbytes 页数：30 Pages

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