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LT3791
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LT3791

  • 所属类别：LED驱动
  • 产品名称：60V、四开关、同步降压-升压型 LED 驱动器控制器
  • 厂商：LT
  • 生产批号：11+
  • 封装：TSSOP-38
  • 库存状态：有库存
  • 库存量：2000
  • 最低订购量：1
  • 详细资料：点击查找LT3791的pdf资料
  • 点击询价
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  • Product Introduction

LT3791

60V, quad-switch, synchronous buck-boost LED driver controller

peculiarity

  • 四开关单Inductors架构允许 VIN 高于、低于或等于 VOUT
  • 宽 VIN 范围：4.7V 至 60V
  • 宽 VOUT 范围：0V 至 60V (55V LED)
  • ±2% 输出电压准确度
  • 同步开关：效率高达 98.5%
  • ±6% LED 电流准确度：0V ≤ VOUT
  • 停机期间 VOUT 与 VIN 断接
  • 采用监视器输出的准确轨至轨 LED 电流检测
  • 采用监视器输出的输入电流检测
  • PWM 和模拟调光
  • 每个 IC 能提供 100W 或更高的驱动功率
  • 具裸露衬垫的 38 引脚 TSSOP 封装

description

®The LT 3791 is a synchronous, four-switch buck-boost LED driver and regulator controller. The controller can operate with an input voltage above, below, or equal to the output voltage. The LT3791 features a wide 4.7V to 60V input range and a 0V to 60V output range with seamless transition between operating modes. A ground reference FB pin acts as an input for multiple LED protection function circuits and also allows the converter to act as a constant voltage source. The LT3791 is ideal for a wide range of applications.

The LT3791 operates in forced continuous mode, making it ideal for systems with stringent EMI requirements. This device provides fault protection to safely withstand and promptly report LED open or short circuit conditions. A timer allows the LT3791 to perform "continue running", "lockout", or "restart" operations in the event of a failure.

apply

  • 汽车前照灯 / 行驶灯
  • 普通照明

The ICs associated with the LT3791 include:


Model Manufacturers lot number encapsulation illustrate
LT3791 LT 11+ TSSOP-38 60V, quad-switch, synchronous buck-boost LED driver controller
W83791D WINBOND 05+ QFP-48 Brand new original

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LT brand product recommendation


Model Manufacturers lot number encapsulation illustrate
LT3760 LT 11+ TSSOP-28 8 channels x 100mA LED driver
LT3756 LT 11+ QFN-16, MS-16 LT3756/LT3756-1/LT3756-2 - 100VIN, 100VOUT LED controllers
LT3755 LT 11+ QFN-16, MS-16 LT3755/LT3755-1/LT3755-2 - 40Vin, 75Vout LED controllers
LT3754 LT 11+ QFN-32 16-channel x 50mA LED driver
LT3746 LT 11+ QFN-56 32-channel, 20mA LED driver with step-down controller
LT3745 LT 11+ QFN 16-channel, 50mA LED driver with step-down controller
LT3743 LT 11+ QFN-28, TSSOP-28 High-current, synchronous step-down LED driver with three-state control
LT3741 LT 11+ QFN-20 High-power, constant current, constant voltage, step-down controller
LT3599 LT 11+ QFN-32, TSSOP-28 A four-channel 120mA LED driver with ±1.5% current matching accuracy
LT3598 LT 11+ QFN-24 6 strings of 30mA LED drivers with 1.5% current matching accuracy
LT3597 LT 11+ QFN 60V, three-channel step-down LED driver
LT3596 LT 11+ QFN 60V, step-down LED driver
LTC6992HDCB-1 LT 11+ QFN Microprocessor Supervisory Circuit (Microprocessor Supervisory Circuit)
LT3592 LT 11+ DFN-10, MS-10 500mA wide input voltage range step-down LED driver with 10:1 dimming ratio
LT3591 LT 11+ DFN-8 White LED driver in a 3mm x 2mm DFN package with integrated Schottky
LT3590 LT 11+ SC70, DFN-6 70V buck-mode LED driver in SC2 and 2mm x 48mm DF N packages
LT3519 LT 11+ MS-16 LT3519-1 / LT3519-2 - LED driver with integrated Schottky diode
LT3518 LT 11+ QFN-16 Full-featured LED driver with 2.3A switching current
LT3517 lt 11+ QFN-16, TSSOP-16 Full-featured LED driver with 1.5A switching current
LT3497 LT 11+ DFN-10 Dual-function all-white light-emitting diode driver integrates Schottky diode

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