We have a new design for a low power solar powered outdoor device. We are noticing very high switching boost current in low power and no load conditions. For example, when no load is on vout the burst mode is presumably on, causing 100hz spikes of several hundred mA, bringing an average idle current to 10mA. When low power MCU attached, similar condition. Is this expected? Does this chip family support ultra low power, or do I need another chip for the low power provisions?