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Output Bulk Capacitance

Category: Hardware
Product Number: LTM4638

Hi,

I'm considering using the LTM4638 to step-down from +5V to +0.9V. I can only get my simulation to pass my application's specified load step response if I use bulk capacitance at the output; however, the datasheet says no bulk capacitance is required, and there's no provision for it in the evaluation board. Is there any reason I can't just use bulk capacitance anyway?

Thanks,

Devin