LT3755

所属类别：LED驱动
产品名称：LT3755/LT3755-1/LT3755-2 - 40Vin、75Vout LED 控制器
厂商：LT
生产批号：11+
封装：QFN-16, MS-16
库存状态：有库存
库存量：10000
最低订购量：1
详细资料：

Product Introduction

LT3755

LT3755/LT3755-1/LT3755-2 - 40Vin, 75Vout LED controllers

peculiarity

3000:1 True Color PWM^TM 调光
宽输入电压范围：4.5V 至 40V
高达 75V 的输出电压
恒定电流和恒定电压调节
100mV 高端电流检测
可以采用升压、降压模式、降压-升压模式、SEPIC 或反激式拓扑结构来驱动 LED
可调频率范围：100kHz 至 1MHz
开路 LED 保护
具迟滞的可编程欠压闭锁
改善的开路 LED 状态引脚 (LT3755-2)
频率同步 (LT3755-1)
PWM 断接开关驱动器
CTRL 引脚提供了模拟调光功能
低停机电流：
可编程软起动
耐热增强型 16 引脚 QFN (3mm x 3mm) 和 MSOP 封装

description

LT®3755、LT3755-1andLT3755-2beDC/DCThe controller is designed to act as a driving high currentLEDconstant current source. They are tuned from one inside7.15VPower to drive a lowendexteriorNChannel powerMOSFET。 The fixed-frequency, current-mode architecture enables stable operation over a wide range of supply and output voltages. A voltage that refers to the groundFBPins are used as multipleLEDprotects the input of the functional circuit, and also allows the converter to act as a constant voltage source. A frequency regulation pin allows the user to be in100kHzreach1MHzSet frequencies to optimize efficiency, performance, or external component size.

LT3755/LT3755-1/LT3755-2atLEDThe high-end detection output current of the string. High-end current sensing is used for the driveLEDThe most flexible scheme that allows for boost, buck or buck mode-Boost mode configuration.PWMThe input provides up to3000:1targetLEDDimming ratio, andCTRLThe inputs provide additional analog dimming capabilities.

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High powerLED
Battery charger
Accurate current-limiting voltage regulator

The ICs associated with the LT3755 include:

Model	Manufacturers	lot number	encapsulation	illustrate
LT3755	LT	11+	QFN-16, MS-16	LT3755/LT3755-1/LT3755-2 - 40Vin, 75Vout LED controllers
LT13755	LINEAR	35855	N／A	Brand new original

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LT3755

LT3755/LT3755-1/LT3755-2 - 40Vin, 75Vout LED controllers

peculiarity

description

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The ICs associated with the LT3755 include:

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