Products and Solutions » LED Lighting Driver » SCT2518

SCT2518 8-Output, 8-bit PWM LED Driver with Supply Regulation Feedback
.Patented SPI+TM interface for simplicity of local dimming control
.Patented logical feedback for automatic supply regulation
.LED brightness local dimming and scanning mode control are supported
.High linearity gray response with accurate 1 to 100% PWM dimming control
.Real-time dot correction of luminance
.Backlight local dimming controller available
.Built-in internal PWM clock, 8 independent 8-bit PWM digital current controlled outputs
.Vsync frame start and external PWM clock input for Hsync synchronization are available
.Open detection to bypass unconnected or broken LED strings
.8 constant current sinkers with output voltage sustainable to 24V
.Excellent regulation to load, supply voltage and temperature
  Temperature regulation: ± 0.005%/°C,
  Load regulation: ± 0.1%/V
  Line regulation: ± 0.5%/V
.High current matching accuracy: ± 1% between outputs, ± 2% between ICs
.Constant output current : 20 – 90/120mA@3.3/5V
.Low dropout voltage 0.8V@120mA,VDD=5V
.Output current is set by a single external resistor and OEI programmable outputs
.Buffered outputs to regenerate input signals for cascaded operation
.CMOS Schmitt trigger inputs
.Built-in power on reset(POR) circuit forces all the outputs ON while power on
.Built-in thermal protection function to prevent damage from over current operation
.Package:TSSOP24 with thermal pad
.Applications: Local dimming LED backlighting