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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Output of the Buck converter unstable</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/127882/output-of-the-buck-converter-unstable</link><description>I have a PCB with nRF52833 and nPM1304, I assembled 3 identical PCBs, 2 of them work 1 does not I am using 2 available Buck coveters, first outputs 1.8V for powering IC on my PCB, second is used to power the LEDs. (Schematic for nPM1304 attached, it very</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Wed, 22 Apr 2026 14:00:36 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/127882/output-of-the-buck-converter-unstable" /><item><title>RE: Output of the Buck converter unstable</title><link>https://devzone.nordicsemi.com/thread/565332?ContentTypeID=1</link><pubDate>Wed, 22 Apr 2026 14:00:36 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:9fcb9b88-ac67-4b05-8d27-e13eed2fa34a</guid><dc:creator>Kiryl</dc:creator><description>&lt;p&gt;I found out that one of the ICs I was using was damaged and that failed the hole thing, issue was unrelated to the nPM1304 or nRF52833&lt;br /&gt;&lt;br /&gt;&lt;img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/FLIR0410.jpg" alt=" " /&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Output of the Buck converter unstable</title><link>https://devzone.nordicsemi.com/thread/565295?ContentTypeID=1</link><pubDate>Wed, 22 Apr 2026 09:32:05 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:4970e700-f872-4286-97c4-840761ef1fea</guid><dc:creator>Kiryl</dc:creator><description>&lt;p&gt;Forgot to add that I did swap both inductor to a new one, and swap nPM1304 for a new one, so I think the issue is somewhere in the circuit, also I checked for short between all power line and ground, there was non, more than that resistance between them was more 300kOhms&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>