https://devzone.nordicsemi.com/f/nordic-q-a/29456/nrf52840-reg0-buck-usageHi, is it possible to use the onboard buck regulator of the nRF52840 to supply the 3V for the rest of the circuitry while nRF52840 is off (and also for the nRF52840 while it is on)? As you might have guessed, the motivation is to have an energy efficienten-USTelligent Community 13Tue, 16 Jan 2018 13:45:14 GMThttps://devzone.nordicsemi.com/thread/117124?ContentTypeID=1Tue, 16 Jan 2018 13:45:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d9f38f6e-f0cc-4ff5-97bc-3e043711889frun_ar<p>Not sure exactly what we will have, but at least some current consumption vs supply voltage charts similar to what we have for nRF52810.e.g. <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52810.ps/_tmp/gluon/autodita/CURRENT/parameters.id_current_radio.html?cp=2_2_0_4_1_0_1">here</a>.However I don&#39;t know if we will have this for REG0 and REG1 yet.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/117123?ContentTypeID=1Tue, 16 Jan 2018 12:17:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2c016cb1-de2b-4852-90d5-1595448509dbZAC<p>Thanks for the hint. What I didn&#39;t find are efficiency characteristics concerning the DC/DC regulators for REG0 and REG1. Any figures on that?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/117125?ContentTypeID=1Tue, 16 Jan 2018 11:52:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:789a727f-a458-4ce9-b187-e854bd64a68brun_ar<p>Did you check the <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52840.ps/power.html?cp=2_0_0_15_0_2#unique_36201764">external circuitry supply</a> chapter in the OPS?</p><div style="clear:both;"></div>