Part LT3755-1
Description LED Controller
Manufacturer Linear Technology
Size 497.51 KB
Linear Technology
LT3755-1

Overview

The LT®3755, LT3755-1 and LT3755-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply.

  • 3000:1 True Color PWM™ Dimming
  • Wide Input Voltage Range: 4.5V to 40V
  • Output Voltage Up to 75V
  • Constant-Current and Constant-Voltage Regulation
  • 100mV High Side Current Sense
  • Drives LEDs in Boost, Buck Mode, Buck-Boost Mode, SEPIC or Flyback Topology
  • Adjustable Frequency: 100kHz to 1MHz
  • Open LED Protection
  • Programmable Undervoltage Lockout with Hysteresis
  • Improved Open LED Status Pin (LT3755-2)