Description
The LT®3955 is a DC/DC converter designed to operate as a constant-current source and constant-voltage regulator.
Features
- nn 3000:1 True Color PWM™ Dimming for LEDs nn Wide VIN Range: 4.5V to 60V nn Rail-to-Rail Current Sense Range: 0V to 80V nn Internal 80V/3.5A Switch nn Programmable PWM Dimming Signal Generator nn Constant Current (±3%) and Constant-Voltage
(±2%) Regulation nn Accurate Analog Dimming nn Drives LEDs in Boost, SEPIC, CUK, Buck Mode,
Buck-Boost Mode, or Flyback Configuration nn Output Short-Circuit Protected Boost nn Open LED Protection and Reporting nn Adjustable Switching Frequency: 100kHz to 1MH.
LT3955-Linear.pdf
