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LM2733: Low frequency Ripple on output - Swatooth Waveform

Part Number: LM2733

Hello,

I am using the LM2733XMF 9 volts in 24 volts out.  And I am getting a 2 volts of sawtooth ripple. See attached. This is no load, with load it gets worse and the output voltage increase. We have built two circuits so far, both exhibit this operation.   The circuit is as per Webench.   Thank you Mike Walczak