I have a TL494 oscillator driving a switching power supply and right now the best I can get is 40-45% duty cycle. I know the datasheet says 45 is the recommended maximum duty cycle, but it does mention that absolute max is 50. I've seen people online reference to their TL494 switching supplies and have scope traces of 50% duty cycle, but I can't find any schematic reference to how to force this chip to go to 50% (I could get by with 48-49% probably, but 50 would be best).
Any tricks on getting this to happen?
Any tricks on getting this to happen?