Regarding the DCDC of 54L15https://devzone.nordicsemi.com/f/nordic-q-a/127669/regarding-the-dcdc-of-54l15What is the switching frequency of the internal DCDC in 54L15? What is the function of the FB1 ferrite bead in the reference design? Are there any risks in changing the capacitance values of C1, C2, C12, and C5?en-USTelligent Community 13Tue, 28 Apr 2026 11:17:33 GMTRE: Regarding the DCDC of 54L15https://devzone.nordicsemi.com/thread/565624?ContentTypeID=1Tue, 28 Apr 2026 11:17:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:88335d17-7100-4dca-8577-e621653d62ecSwRa<p>Hello,</p> <p>It is always recommended to follow the reference design since all the values are fixed after testing for optimal RF performance.</p> <p>Regards,</p> <p>Swathy</p><div style="clear:both;"></div>RE: Regarding the DCDC of 54L15https://devzone.nordicsemi.com/thread/565091?ContentTypeID=1Fri, 17 Apr 2026 08:09:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:24d5db1e-6bb8-48a1-9492-44a8d2c52e36zhanxy<p>&quot;With such a high switching frequency deviation, the reference design recommends a 4.7uH inductor. Would it be more appropriate to use a 10uH power inductor?&quot;</p><div style="clear:both;"></div>RE: Regarding the DCDC of 54L15https://devzone.nordicsemi.com/thread/564868?ContentTypeID=1Mon, 13 Apr 2026 13:21:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cdf837c3-0891-4b92-9289-7c6416f71eaeSwRa<p>Hello,</p> <p>The internal switching frequency of DCDC in nRF54L15 is 8 MHz.</p> <p>Regards,</p> <p>Swathy</p><div style="clear:both;"></div>RE: Regarding the DCDC of 54L15https://devzone.nordicsemi.com/thread/564822?ContentTypeID=1Mon, 13 Apr 2026 06:53:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b37f03b1-3977-4f8f-bf70-5f2dcee17b27zhanxy<p><span>What is the switching frequency of the internal DCDC in 54L15?&nbsp;</span></p><div style="clear:both;"></div>RE: Regarding the DCDC of 54L15https://devzone.nordicsemi.com/thread/564530?ContentTypeID=1Tue, 07 Apr 2026 13:14:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9953e069-60e9-4e2f-9aa8-cf40f08ea7c5SwRa<p>Hello,</p> <p>The ferrite bead&nbsp;<span>are used to&nbsp;</span>suppress noise<span>&nbsp;coupling to and from the device. It is recommended not to make changes to the reference circuitry as it can degrade the RF performance. Why do you need to change the capacitance values.?</span></p> <p><span>Regards,</span></p> <p><span>Swathy</span></p><div style="clear:both;"></div>