Part LT3965
Description 8-Switch Matrix LED Dimmer
Manufacturer Linear Technology
Size 1.79 MB
Linear Technology
LT3965

Overview

The LT®3965/LT3965-1 is an LED bypass switching device for dimming individual LEDs in a string using a common current source. It features eight individually controlled floating source 17V/330mΩ NMOS switches.

  • Eight Independent 17V 330mΩ NMOS Switches
  • Independent On/Off/Dimming Control of 1 to 4 LEDs for Each Switch
  • I2C Multidrop Serial Interface with Programmable Open LED and Shorted LED Fault Reporting
  • 16 Unique I2C Addresses
  • VDD Range: 2.7V to 5.5V and VIN Range: 8V to 60V
  • Digital Programmable 256:1 PWM Dimming
  • Fade Transition Between PWM Dimming States
  • Optional Internal Clock Generator or External Clock Source for PWM Dimming
  • Open LED Overvoltage Protection
  • Flicker Free PWM Dimming