We are implementing an offline LED buck converter with two long strings of LEDs - forward voltage up to 330 volts or so, and would like to use slope compensation based on the DAC ramp feature with the ...

The low 4 bits of the RAMPSTS countdown register effectively act as a prescale for the falling-ramp rate configurable with RAMPDECVALA. The problem is that even with the lowest RAMPDECVAL of 1 and the ...