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LMR14006: Sawtooth issue

Part Number: LMR14006

Dear Sir/Madam,

We are preparing a new product development and planning to use your Step-Down Regulator LMR14006Y. 

Attached a capture of the schematic, this is based on Webench tool. Output voltage has to be 9.62V. Load will vary from nothing or from  15.34mA to 183mA at Tamb. Riple is maxiimum when the current is minimal. We do have a sawtooth and oscillation at the output (see image) that was not expected and that we would like to remove from the system. This effect is worse at low temperatures.

Please could you recommend us a solution to flatten the output for all conditions. Power consumption has to be as lower as possible.

Thanks in advance

Maria

Vhold has an oscillation and also a shape of sawtooth.