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LM2594: Effects of using OSC_2X with non 50% duty cycle reference input?

Part Number: LM2594
Other Parts Discussed in Thread: LMX2594,

I am using the LMX2594 in integer mode with a 10MHz reference using the OSC_2X function to achieve a 20MHz PFD. I have an amplifier for the 10MHz reference preceding the LMX2594 reference input that does a good job of increasing the slew rate and squaring up the signal, however the duty cycle is not exactly 50%, it is closer to 47%, waveform picture attached of amplified 10MHz reference. What effects can I expect to see from this non-50% duty cycle reference using the OSC_2X function? 

  • Hello

    I am affraid that this has fallen into the wrong catagory.

    We have an LM2594 that is a buck regulator.  You have the LMX2594 that is something quite different.

    Please try to post with "LMX2594".  

    I will close this post.

    Thanks